grahams gas law :: essays research papers

GAS LAWS Motor ENERGY/GRAHAM’S LAW LAB Reason: To see how masses of particles and atoms influence their pace of dispersion, and clarify our perceptions as far as mass, speed, dynamic vitality and temperature. Warm-up Question: 1.     What is the meaning of temperature? Temperature is a proportion of the normal Kinetic Energy of the particles creating a material. 2.     What is the meaning of dispersion? Dispersion is an unconstrained spreading of particles until they are consistently circulated in their holder. 3.     If we increment the temperature of test of gas, at that point shouldn't something be said about the gas atoms should change? The gas particles would start to speed up since the temperature would increment. 4.     The component iodine (I2) diffuses more gradually than ethanol (CH3CH2CH2OH). Why would that be? Iodine is heavier in nuclear mass then ethanol, hindering its procedure to diffuse. Iodine weighs 253.6u while ethanol weighs 60.03u, giving ethanol a quicker disseminations rate. Methodology A: 1.     Obtain a glass cylinder and wash it with water. Dry the outside of the cylinder with a paper towel. Next, spurt some CH3)2CO into the cylinder. A modest quantity is all that is required. At that point dry within the cylinder by going air through the cylinder (utilize a fan, the window, blow through it, and so on.) 2.     Use chalk to mark one finish of your lab station, "HC1," and the opposite end, "NH3." 3.     Lay the glass tube on the table and spot the thermometer on the table close to the cylinder. 4.     !!!CATION!!! THE NH3 AND THE HCI ARE IN VERY CONCENTRATED FORMS. Try not to ALLOW EITHER CHEMICAL TO COME INTO CONTACT WITH YOUR SKIN. In the event that THE NH3 OR HCl SPILLS, GET A DAMP PAPER TOWEL AND CLEAN IT UP IMMEDIATELY!!! 5.     Obtain 1 little container of HCI and 1 little jug of NH3. Spot each container in their separate parts of the bargains table. Get forceps, mark them, "HC1" or â€Å"NH3"with tape, and spot them at their particular finish of the lab table. 6.     Record the temperature of the air around the cylinder in the information table. 7.     Separate the cotton ball into pieces sufficiently little to stuff into the parts of the bargains tube. Try not to place them into the cylinder yet. 8.     While holding the cotton ball with the forceps, place 4 drops of HCl or NH3 (whichever relates to the mark on the forceps). 9.     Repeat stage 8 with the other synthetic. You should now have two little cotton balls, one with 7 drops of HCI, one with 7 drops of NH3. Keep them at their particular parts of the bargains station.

Your Health & Managed Care essays

Your Health and Managed Care expositions AHCA HMO Report As indicated by the AHCA HMO Report the wellbeing plan that I would pick, as a business dependent on the information gathered would be AvMed Inc. AvMed is Floridas most established and biggest not-revenue driven HMO, serving somewhere in the range of 300,000 individuals, including around 30,000 Medicare individuals all through the state, and 10,000 government representatives and their wards. AvMed contracts with near 7,000 doctors and 126 medical clinics, is governmentally qualified under the particulars of the bureaucratic HMO Act, and is secretly certify by the National Committee for Quality Assurance (NCQA) and the Joint Commission on Accreditation of Healthcare Organizations. AvMed was made in 1969 as a prepaid human services framework for pilots in Miamis flying industry. Today, AvMed is Floridas biggest not-revenue driven wellbeing plan. AvMed, whose name is gotten from avionics medication, got authorized as a HMO in 1973 and earned Federal capability in 1977. In the wake of ch ecking on the data and measurements on the different wellbeing plans, I pick AvMed Inc. since it has a general high evaluating in the regions, for example, Annual Well Child Visit (Ages 3-6) 74%, Annual Adolescent (Well Care Visit) 47%, Asthma Medications (Long-Term Control) 60%. Despite the fact that AvMed Inc. didn't rate under the Florida Medicaid Asthma drug for long haul care; every single other territory were secured better than expected. In light of the security of the organization and their budgetary report dated June 30, 2003, AvMed Inc. absolute resources were $180,085,511, and all out liabilities were $126,757,724. The schedule year-to-date total compensation or (misfortune) was $19,080,629. Despite the fact that AvMed got 319 objections in 2002, this was just a division when contrasted and United Health Care, Health Options, Inc., and Vista Health Plan Inc. who likewise serve this region. There were slight edges in grievances when contrasted and CIGNA, and Humana, howeve r this doesn't have any pertinence on the nature of administration ... <!

Got test anxiety Sal Khan shares tips for reducing stress before your exam

Got test anxiety Sal Khan shares tips for reducing stress before your exam Are you stressed about a test you have coming up? You’re not alone! A couple of weeks ago, Sal Khan shared his advice for managing exam anxiety.   We got lots of amazing responses to his suggestions, and we’d love to share them with you.  â€œListening to Sals tips just reminds me that I am not alone. Thank you so much Khan Academy.”â€"@alexiawpyisnow on Instagram“I appreciate this more than you can imagine. Its been rough. I wish every kid on earth could see this video.”â€"Umar on Youtube“I need more Sal in my life. Can he just be there and coach us through all of life’s challenges?”â€"@ferenstein on Twitter“Today, your words made me cry This Friday I have another physics exam, and Ive been stressing pretty hard. Your reminder that we, as people, are not defined by test scores really struck a chord in me. I needed to hear that. Thank you for all you do for people everywhere and all youve already done for me. You rock, Sal!”â€"Beautiful on YoutubeIf you’ve alrea dy watched   Sal’s test jitters video and taken his advice, then you’ve been busy! In the weeks leading up to an exam, Sal recommends three strategies:Build a habit of practiceâ€"take practice tests, identify your strengths and weaknesses, and work on your weaknesses on a regular basis.Share your feelingsâ€"talk about your insecurities with people you trust and find people who can support you.Keep a bigger perspectiveâ€"remember that a test score does not define you and that real happiness is knowing who you are.So now that it’s the night before your big test, what can you do to set yourself up for success tomorrow? Sal Khan is back with three more tips to help you put your best foot forward on test day.Take Sal’s advice and turn off your device, go spend some time with your family or close friends, watch a show, and laugh a little.

Legal Issues That A High School May Face - 570 Words

I interviewed the High School Vice Principal. The subject of the interview was to find five issues that provide our school with the most legal issues. I followed this inquiry by asking how our school attempts to minimize its legal exposure. He was more than generous with lending his time and knowledge. He began by suggesting that the first and most important legal issue that the school faces is centered on special education. He stressed that it is difficult to meet the needs of all special education students. With that being said, legally it is the school district’s responsibility to make sure these students are receiving the proper and most effective forms of education. Our school district has child study teams designated to elementary, middle, and high schools. Students are evaluated and re-evaluated on an annual basis. These evaluations are in place to properly determine a child’s disability(s) and educational needs. Students may be sent out of district if o ur school district is unable to meet a particular student’s needs. This becomes extremely costly to our school district. The second legal issue discussed was our students’ first amendment rights specifically in regards to social media. He discussed that there is a fine line to walk when trying to monitor student and school safety while still adhering to the first amendment rights of students. Cyber bullying has become a large issue and our school district lost one of its eighth graders to suicide dueShow MoreRelatedLawyers : Legal Issues And Disputes1072 Words   |  5 Pagesbusinesses, and government agencies on legal issues and disputes. Lawyers typically do the following: Advise and represent clients in courts, before government agencies, and in private legal matters Communicate with their clients and others Conduct research and analysis of legal problems Interpret laws, rulings, and regulations for individuals and businesses Present facts in writing and verbally to their clients or others and argue on their behalf Prepare and file legal documents, such as lawsuits, appealsRead MoreFirst Generation Immigrants and Education800 Words   |  4 Pagesthat acculturation and assimilation have wide-ranging effects on the groups involved, but mostly on the immigrants lives. There are positive and negative attributes. Attributes that are due to the issues associated with integrating cultures, and broadly related to the greater issue of immigration. The issues and discrimination towards first generation immigrants cause them to have limitations throughout their lifetime, in the country that they have moved to. Furthermore, the Hispanic and Latino communityRead MoreThe Legal Profession Of England And Wales1607 Words   |  7 Pagesthe largest issues in developing a career in the legal profession is diversity as there is a perceived image of the legal sector being a traditionally â€Å"white, male, middle class† profession. Harold Patrick and Vincent Kuman argue, â€Å"the concept of diversity i ncludes acceptance and respect. It means understanding that each individual is unique and recognizing our individual differences† . This essay will examine the social class, educational and gender barriers underrepresented groups face in developingRead MoreAn Effective Classroom Management Plan Essay1442 Words   |  6 PagesImplications of Classroom Management There are many things that a teacher must think about when creating their classroom management plan. One of these things involves the legal and ethical implications as they relate to the rights and responsibilities of students, parents, and teachers. I have reviewed several articles related to this subject, and will give a brief overview of each of them as well as tell how they will make a difference in the way that I manage my own classroom. Most of the articlesRead MoreEssay on Underage Drinkers Face Repercussion1369 Words   |  6 PagesToday there seems to be an increasing number of underage drinkers. Teens seem to be drinking their way through high school and college because it’s the trend of the century. They go out to party and there is no party, if there is no alcohol. They begin to believe there is no fun in partying without the use of alcohol. According to, the 2009 Youth Risk Behavior Survey, â€Å"40% of high school students drank some amount of alcohol, 24% bin ge drank, and 10% drove after drinking and 28% rode with a driverRead MoreDiscovering The Relationship Between the Law and Your School Essay933 Words   |  4 PagesAbstract Today schools are changing to integrate the 21st century. Therefore, it is imperative that educational administrators are aware of the legal framework facing the issues in schools. There are many issues the administrators will face and they must know the constitutional rights of individuals and the school. The Constitution contains the laws of the United States. Discovering the Relationship between the Law and Your School There are no references to education in the ConstitutionRead MoreUndocumented Youth and The Dream Act916 Words   |  4 Pages Every year, about 65,000 American high school graduates are undocumented youths. Even though most of them have worked hard in school and seek further education or a high paying job, as any American would, their legal status, or lack thereof, makes it nearly impossible to achieve those dreams. Also, they live in fear of deportation, never to draw attention to themselves. Since 2001, Congress has been exposed to many attempts at a final solution for this issue. But is there really a solution for undocumentedRead MoreCyber Bullying Is More Common Than People1393 Words   |  6 PagesAs young people progress through their adolescent years they often hear, â€Å"sticks and stones may break my bones but, words will never hurt me.† As we have moved into an era that revolves around technology, younger generations become more involved online. People are now c onnected and exposed in more ways than ever as social media platforms make personal information more accessible. This mantra of sticks and stones hardly applies to the virtual world as cyber bullying rates increase. Due to the increasingRead MoreThe Debate On Immigration Reform958 Words   |  4 PagesAbstract: Until the bill passed, much of the debate surrounding the Development, Relief, and Education for Alien Minors, or DREAM Act, brought about legal, ethical, and logistical concerns. Illegal immigration and the population unauthorized alien in the United States were key issues in the ongoing debate on immigration reform. However, the benefits of this bill outweighed its disadvantages. Immigration policies in the United States concerning undocumented workers are strict and direct. EmployersRead MorePlanning Team Will Be Made Up Of David E Essay1701 Words   |  7 Pages The planning team will also include a legal counsel, a chief financial officer, and police envoy to aid in security for the event. Program Description and Target Audience As previously stated, this program is a dual learning program targeting asylum seeking immigrants and recent law school graduates. The general purpose of the program is to teach asylum seeking immigrants about their rights, provide them with contacts that will aid them in obtaining legal counsel, and give them tips on navigating

Baroque music Essay - 607 Words

The Music of the Baroque Era The style of polyphonic music containing elaborate ornamentation and contrasting elements, that is how Baroque music is defined. The Baroque era was a kind of transitional era in art and music. The Renaissance means rebirth and is typically regarded as such. The Baroque era in music is not a set style in music but many diverse styles which may be broken down into at least three distinct periods. A renewed interest in art and music was experienced throughout the Renaissance which then led to the Baroque era which was more of a transitional stage leading up to the maturity of classical music in the Classical era which began as Baroque ended. (Howard n. pag.) The origins of the word Baroque itself is as obscure†¦show more content†¦The Baroque style music was voices only. It was sung in a cappella, a choral style music with only singing and no instruments. If instruments happened to be used, it only imitated the melody of the voices. It would not pick up its only melody or tune. The Baroque style music brought up more than just choir singing. It introduced soloists. When solo music was sung, this brought up the idea of thoroughbass. Which is a bass part was assigned to the singing (Arnold 174). The term Baroque, no matter which definition you choose to accept, really does not fit the entire period to which the name is applied. It could certainly be applied to certain times during the period but not to the entire 150-year range that it has been described as covering. This was certainly an important era in the history and growth of musical styles lending tonality and monadic styles that are still present in music today. Definitions of specific time periods in music really only assist us in tracking the changes of form, style, and historical significance of each era and are not so important in giving an accurate description of the music of the times. Although, when looked at objectively, the word Baroque could be seen as accurately describing the period because of its unusual diversity or irregularity of music style. Works Cited Arnold, Denis, ed. The New Oxford Companion to Music. 2 vols. New York: Oxford UP,Show MoreRelatedBaroque Music764 Words   |  4 PagesBaroque Music Period ​â€Å"Baroque music expresses order, the fundamental order of the universe. Yet it is always lively and tuneful. Follow the development of music through this brief outline, from the earliest times to the present day, with baroque music set in historical context.† The style of polyphonic music containing elaborate ornamentation and contrasting elements, that is how Baroque music is defined. The Baroque era in music is not a set style in music but many diverse styles which may beRead MoreInfluence of Baroque Music to Classical Music4158 Words   |  17 PagesCHAPTER I INTRODUCTION Music of any period reflects, in its own way, some of the same influences, tendencies, and generative impulses that are found in the other arts of that time (Donna, 2005). Thus the word baroque, usually used despairingly by eighteenth-century art critics to describe the art and architecture of the seventeenth and early eighteenth centuries, came to be applied also to the music of the seventeenth and early eighteenth centuries. After some years after the death of JohannRead MoreMusic During The Baroque Era2164 Words   |  9 PagesMusic during the Baroque era was regarded as a powerful form of communication that could invoke emotions in the listeners. This philosophical belief was derived from a revival of the ideas of the Greco-Roman culture, and as a result, composers believed that they could also affect their listeners through the power of melody, harmony, rhythm, and stylistic details. The emphasis on communication was reflected in the major styles and components that were used throughout Baroque compositions. BaroqueRead MoreThe Baroque Era of Music Essay515 Words   |  3 PagesThe Baroque period of music lasted from approximately 1600 – 1750 AD. It falls into the Common Practice period and was the most predominant style of writing after the Renaissance period and before the Classical period (the Classical period uses many elements from the Baroque period). The word Baroque means highly deco rated and essentially gives us an insight into what the music of the time was like. Many pieces in the Baroque style have three or four different parts which work together to produceRead MoreThe Restoration Of Baroque Music1628 Words   |  7 Pagesthe Baroque period. The english word baroque originated from the Italian word barocco, meaning bizarre. The usage of this term started in the 1860s to describe the decorative, elaborate style of the 17th century religious and public Italian buildings. Baroque music has affected everything we hear in music today due to the incredible form of the music, instruments, and composers of that time. Baroque music is a style of Western art composed from approximately 1600 to 1750. This style of music is filledRead MoreBaroque Music And The Baroque Era1366 Words   |  6 PagesBaroque music began in Italy and it spread to all other parts of Europe. The musical characters in the baroque era pursued interests in subjectivity of the observers and created a deep human feeling while composing their music (Harbison 22). This character of the baroque artists is depicted in several works done by Michelangelo. One of the pieces of art was campidoglio on the hill capitalino. The picture above takes the structure of a sculpture and it is placed in a three dimension space havingRead MoreModern Music During The Baroque Era1798 Words   |  8 PagesThe term Baroque has been widely acknowledged as a period in Western European Art Music lasting for 150 years from early 17th to mid-18th century. The word itself is originated from barroco in Portuguese meaning â€Å"oddly shaped pearl†, w hich best describes the visual and details of the buildings existed during that period. Its flamboyant and ornate details of the building is what causes ornamentations and harpsichords to become an essential element of Baroque music. Bach, ornamentation, and harpsichordRead MoreBaroque Music Characteristics537 Words   |  3 PagesBaroque Period (1600-1750) Baroque Music Characteristics 2 Rhythm †¢Most baroque music has an easily recognizable strong, steady pulse, and continuity of rhythm. †¢Patterns of rhythmic sequences permeate much of Baroque music. †¢Rapid changes in harmony often makes the pieces feel more rhythmic. †¢Dance rhythms were frequently used in multi-movement form pieces. †¢Dotted rhythms were widely used. Harmony †¢Figured Bass—a system of numbers placed under the music—was developed to indicateRead MoreThe Baroque Era Of Music Essay2374 Words   |  10 PagesThe Baroque chamber orchestra, a type of ensemble today that can vary greatly from group to group, is involved in a type of performance many musicians remain confused about. For a modern musician, the confusion surrounding the Baroque style stems from a notion that spending time learning a style of instrument that is no longer commonplace is something that is not worthwhile or is even detrimental to a modern instrumental career. Much of this stems from the idea that the romantic era of music is theRead MoreEssay on Ensemble Music During the Baroque Period 640 Words   |  3 PagesBaroque Period (1600-1750) Ensemble Music During the Baroque period, instrumental music was written for every conceivable size of ensemble. On the smaller side, the Baroque sonata offers one of the finest examples of chamber music. Two types of sonata are found during this period: the sonata da chiesa (church sonata), and the sonata da camera (chamber sonata). The sonata da chiesa was more somber, while the sonata da camera was, much like the suite, usually comprised of dance forms. The gigue

Humanist and Normative Approach Free Essays

Soft HRM follows the harvard model – considers human capital as assets rather than resources. Hard HRM follows the michigen model – enforces the interests of the organisation rather than the progress of individuals. Humanist Approach – SOFT HRM (Harvard)  · Philosophy: A fair day’s work for a fair day’s pay. We will write a custom essay sample on Humanist and Normative Approach or any similar topic only for you Order Now Organisational behaviour and the focus on corporate social responsibility. Companies see themselves as ethically conducted.  · Business objective: Increase productivity and profitability. Quality is secondary. They look to achieve optimum results Quality objective: Adequate quality to remain in business. Staff driven quality improvement approaches  · Information sharing: Limited information sharing as needed for job execution.  · Major decision makers: Manager, shareholders, customers, employees  · Employee involvement: Programme suggestions , plans individual employee awards, no formal system.  · Education and training: On the job training, feedback on the job performance – Results orientated, they measure results and evaluate them. Tend to look at the return on investment – hard to prove. g if in 2012 a company sells 600 products and in 2013 after training and development of staff this number increases to 1200, can we prove that this is in fact return on in vestment and due to the training.  · Reward structure: Design and administered by management  · Job security: Labour consider as a variable cost. Lay-off common during business downturn  · Use of symbols eg apple, Mcdonalds and Legal General (Umbrella)  · Focus on personalities and attitudes- behavioural based. Encourages self assessment through appraisals. rawing up your own development plan and managers helping employees to achieve these or to make progress rather than managing people out when they are not meeting objectives. Source: http://www. shvoong. com/business-management/human-resources/1861903-comparison-traditional-human-resource-approach/#ixzz2ONUzQ2fR Normative Approach – HARD HRM (Michigan) â€Å"The normative perspective of human resource management bases itself on the concepts of â€Å"hard HRM† and â€Å"soft HRM,† on which the foundations of human resource management rest. † [http://www. brighthubpm. om/resource-management/76151 -exploring-different-perspectives-of-hr-management/]  · Concentration on strategic planning with vertical and horizontol integration of policy.  · Organisational culture with a key objective of retaining competitive advantage.  · ensuring all of the policies and procedures are current  · innovation  · Administration is become a lot more innovative – adapting/changing to current times. A lot of admin is now online using systems such as ADPs HR. Net – holiday etc is now requested and approved online rather than using a paper system. Employee benefit and reward often takes the form of welfare systems for example gym memberships and paid sick leave  · Tend to have industrial relations eg trade unions and workforce representatives. Humanist approach tends to have more concern regarding employees progress, employee engagement and training/development of employees that may not necessarily directly improve the organisations output/productivity. Whereas a normative approach is more aligned with business strategy and integration of policy. How to cite Humanist and Normative Approach, Papers

The Great Divorce free essay sample

The Great Divorce, the narrator suddenly, and inexplicably, finds himself in a grim and joyless city (the grey town, representative of hell). He eventually finds a bus for those who desire an excursion to some other place (and which eventually turns out to be the foothills of heaven). He enters the bus and converses with his fellow passengers as they travel. When the bus reaches its destination, the people on the bus — including the narrator — gradually realize that they are ghosts. Although the country is the most beautiful they have ever seen, every feature of the landscape (including streams of water and blades of grass) is unbearably solid compared to themselves: it causes them immense pain to walk on the grass, and even a single leaf is far too heavy for any of them to lift. Shining figures, men and women whom they have known on earth, come to meet them, and to persuade them to repent and enter heaven proper. We will write a custom essay sample on The Great Divorce or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page They promise that as the ghosts travel onward and upward, they will become acclimated to the country and will feel no discomfort. These figures, called spirits to distinguish them from the ghosts, offer to assist them in the journey toward the mountains and the sunrise. Almost all of the ghosts choose to return instead to the grey town, giving various reasons and excuses. Much of the interest of the book lies in the recognition it awakens of the plausibility and familiarity, along with the thinness and self-deception, of the excuses that the ghosts refuse to abandon, even though to do so would bring them to reality and joy forevermore. The narrator is met by the writer George MacDonald, whom he hails as his mentor, just as Dante did when encountering Virgil in the Divine Comedy; and MacDonald becomes the narrators guide in his journey, just as Virgil became Dantes. MacDonald explains that it is possible for a soul to choose to remain in heaven despite having been in the grey town; for such souls, their time in hell has been a period of testing, and the goodness of heaven will work backwards into their lives, turning even their worst sorrows into joy, and changing their experience on earth to an extension of heaven. Conversely, the evil of hell works backwards also, so that if a soul remains in, or returns to, the grey town, even its happiness on earth will lose its meaning, and its experience on earth would have been hell. None of the ghosts realize that the grey town is, in fact, hell. Indeed it is not that much different from the life they led on earth: joyless, friendless, and uncomfortable. It just goes on forever, and gets worse and worse, with some characters whispering their fear of the night that is to eventually come. According to MacDonald, heaven and hell cannot coexist in a single soul, and while it is possible to leave hell and enter heaven, doing so implies turning away (repentance); or as depicted by Lewis, giving up paltry worldly pleasures and self-indulgences — which have become impossible for the dead anyway — and embracing ultimate and unceasing joy itself. In answer to the narrators question MacDonald confirms that what is going on is a dream. The use of the chess game imagery as well as the correspondence of dream elements to elements in the narrators waking life are reminiscent of Lewis Carrolls Alices Adventures in Wonderland and Through the Looking-Glass. The narrator discovers that the vast grey town and its ghostly inhabitants are minuscule to the point of being invisible compared with the immensity of heaven and reality. This is illustrated in the encounter of the blessed woman and her husband: she is surrounded by gleaming attendants while he shrinks down to invisibility as he uses a collared tragedian to speak for him. Toward the end of the narrative the terror of the dreaming narrator of remaining a ghost in the advent of full daybreak in heaven is that of the man with his dream of judgment day in the House of the Interpreter of The Pilgrims Progress. The book ends with the narrator awakening from his dream of heaven into the unpleasant reality of wartime Britain, in conscious imitation of The Pilgrims Progress, the last sentence of the First Part of which is: So I awoke, and behold, it was a Dream. Main Characters The Narrator (it is implied that this is Lewis himself) — main focus of the narrative George MacDonald — the writer, who acts as guide to the narrator. And also many other small characters that play some pretty important roles in explaining Lewis ideas. Allusions/references to other works Lewis consciously draws elements of the plot from Dante (The Divine Comedy) and Bunyan; for example, comparing his meeting with MacDonald to the first sight of Beatrice. He also credits the idea that hell exists within heaven but is smaller than one atom of it to his scientifiction readings; travel by shrinking or enlargement is a common theme in speculative fiction, and the narrator alludes to its presence in Alice in Wonderland. In the preface, Lewis explains the origin of his idea that heaven is immutable to the ghosts from hell, referencing an unnamed science fiction work which gave him the notion of a character being unable to affect matter around him because he ha d traveled back in time to the unchangeable past.

Noix et arachides reduiraient le risque cardiovasc Essays

Noix et arachides reduiraient le risque cardiovasc Essays Noix et arachides reduiraient le risque cardiovasculaire Dev Brar Jan 2, 2017 Period 2 L'Article: Nombre des mots avant d'editer: 441 Nombre des mots apres d'editer: 417 lapresse.ca/vivre/sante/201711/13/01-5143412-noix-et-arachides-reduiraient-le-risque-cardiovasculaire.php Des personnes consommant regulierement une variete de fruits a coque comme des noix paraissent avoir moins de risque de maladies cardiovasculaires comparativement a celles en mangeant rarement ou jamais. Meme des cacahuetes, procurent des bienfaits pour les arteres et le coeur, demontre l'etude. Les chercheurs ont examine les dossiers medicaux, le mode de vie et les habitudes alimentaires de plus de 210 000 employes de services de sante. Pendant une periode de suivi de plus de vingt ans, 14 136 de ces personnes ont developpe une pathologie cardiovasculaire, dont 8390 une maladie coronaire et 5910 ont eu un accident vasculaire cerebral. Comparativement aux participants de l'etude mangeant rarement ou jamais des fruits a coque, ceux qui en consommaient une portion de 28 grammes au moins cinq fois par semaine couraient 14% moins de risque de pathologie cardiovasculaire et avaient 20% moins de chance de developper une maladie coronaire, conclut l'etude. Consommer une variete de fruits a ecale au moins quelquefois par semaine est bon pour la prevention de maladies cardiovasculaires, souligne Shilpa Bhupathi Raju, une nutritionniste a la faculte de sante publique de l'universite Harvard. Mais, souligne-t-elle, il ne faut pas en manger trop car ils sont riches en calories. La chercheuse deconseille aussi les fruits a coque sales. La consommation reguliere de ces aliments est liee a une reduction des maladies cardiaques, du diabete et de l'hypertension arterielle. Mais la plupart des etudes precedentes se sont concentrees sur la quantite ou la frequence de consommation de ces aliments plutot que sur l'identification des types de fruits pour determiner ceux qui conferent le plus de bienfaits. Cette derniere etude s'est penchee sur les differentes categories de fruits a ecale. Elle suggere que les personnes consommant des noix au moins une fois par semaine reduisent de 19% leur risque cardiovasculaire et de 21% celui de developper une maladie coronaire comparativement a ceux qui n'en mangent jamais. La consommation de deux portions de cacahuetes par semaine est liee a une baisse de 13% du risque de maladie cardiovasculaire et de 15% de pathologie coronaire. Deux portions ou plus hebdomadaire de fruits a coque comme des amandes, des pistaches et des noix de cajou paraissent reduire de 15% le risque de pathologie cardiovasculaires et de 23% les chances de maladie des arteres coronaires. L'etude n'a constate aucun lien entre la consommation d'un ensemble de fruits a coque et le risque d'accident vasculaire cerebral mais ce risque est reduit chez les personnes mangeant de grandes quantites de cacahuetes et de noix. Le Resume: Dans l'article, l'auteur dit que les personnes qui manger les noix posseder moins de risque de developper une maladie cardiovasculaire. Le texte dit que les chercheurs ont examine les cas medicaux et les styles de vie de 210,000 employes de services de sante. Pendant une periode de 20 ans, des 210,000 employes 14 136 de ces personnes ont developpe une pathologie cardiovasculaire, dont 8,390 une maladie coronaire et 5,910 ont eu un accident vasculaire cerebral. Les personnes qui mangent une portion de 28g des noix au moins cinq fois dans une semaine, ont un 14% moins risque de developper une pathologie cardiovasculaire et avaient un 20% chance developper une maladie coronaire par rapport aux personnes qui ne mangent pas ou mange un petit peu de noix. Shilpa Bhupathi Raju dit que consommer une variete de fruits avec la coque au moins parfois une semaine est bonne pour la prevention de maladies cardiovasculaires ... la consommation reguliere de cette nourriture est connecte e a une reduction des maladies cardiaques, le diabete et l'hypertension. Cependant, l'etude a conclu qu'il n'y a aucun lien entre la consommation d'un ensemble de noix, mais dans de plus grandes quantites a montre une reduction d'accident cerebro-vasculaire. Contrairement aux maladies cardiovasculaires et une pathologie coronaire que l'on a montre pour avoir un risque reduit avec un ensemble de noix. Je veux croire que ces informations dans l'article sont 100 % vrais et qu'il a la preuve la plus scientifique derriere l'etude que la preuve montree dans l'article. Cependant, puisque cet article

Italian Quotation Marks (Fra Virgolette) Types and Uses

Italian Quotation Marks (Fra Virgolette) Types and Uses Italian quotation marks (le virgolette) are sometimes treated as an afterthought in the classroom and in textbooks, but to English-speaking natives reading Italian newspapers, magazines, or books, its obvious there are differences in both the symbols themselves and how they’re used. In Italian, quotation marks are used to give a word or phrase a particular emphasis, and they’re also used to indicate citations and direct discourse (discorso diretto). In addition, quotation marks are used in Italian to point out jargon and dialect as well as to denote technical and foreign phrases. Types of Italian Quotation Marks Caporali ( «  »): These arrow-like punctuation marks are the traditional Italian quotation mark glyphs (in fact, theyre also used in other languages, including Albanian, French, Greek, Norwegian, , and Vietnamese). Typographically speaking, the line segments are referred to as guillemets, a diminutive of the French name Guillaume (whose equivalent in English is William), after the French printer and punchcutter Guillaume le Bà © (1525–1598).  «  » are the standard, primary form for marking up quotations, and in older textbooks, manuscripts, newspapers, and other printed material, are usually the only type encountered. The use of caporali ( «  ») begin to diminish with the advent of desktop publishing in the 80s, since a number of font sets did not make those characters available. The newspaper Corriere della Sera (to point out just one example), as a matter of typographical style, continues to use caporali, both in the printed version and online. For instance, in an article about the high-speed train service between Milano and Bologna, there is this statement, using angled quotation marks, from the president of the Lombardia region:  «Le cose non hanno funzionato come dovevano ». Doppi apici (or alte doppie) ( ): Nowadays these symbols frequently replace the traditional Italian quotation marks. For example, the newspaper La Repubblica, in an article regarding the possible merger of Alitalia with Air France-KLM, featured this direct quote: Non abbiamo presentato alcuna offerta ma non siamo fuori dalla competizione. Singoli apici (or alte semplici) ( ): In Italian, single quotation marks are typically used for a quotation enclosed inside another quotation (so-called nested quotations). Theyre also used to indicate words used ironically or with some reservation. An example from an Italian-English translation discussion board: Giuseppe ha scritto:  «Il termine inglese free ha un doppio significato e corrisponde sia allitaliano libero che gratuito. Questo puà ² generare ambiguit ». Typing Italian Quotation Marks To type  « and  » on computers: For Windows users, type  « by holding Alt 0171 and  » by holding Alt 0187. For Macintosh users, type  « as Option-Backslash and  » as Option-Shift-Backslash. (This applies to all English-language keyboard layouts supplied with the operating system, e.g. Australian, British, Canadian, U.S., and U.S. Extended. Other language layouts may differ. The backslash is this key: \) As a shortcut, caporali can easily be replicated with the double inequality characters or (but which typographically speaking, though, are not the same). Usage of Italian Quotation Marks Unlike in English, punctuation such as commas and periods are placed outside the quote marks when writing in Italian. For example:  «Leggo questa rivista da molto tempo ». This style holds true even when doppi apici are used instead of caporali: Leggo questa rivista da molto tempo. The same sentence in English, though, is written: Ive been reading this magazine for a long time. Given that certain publications use caporali, and others use doppi apici, how does one decide which Italian quotation marks to use, and when? Provided that the general usage rules are adhered to (using double quotation marks to signal direct discourse or point out jargon, for example, and single quotation marks in nested quotations), the only guidelines are to adhere to a consistent style throughout a text. Personal preference, corporate style, (or even character support) may dictate whether  «  » or are used, but there is no difference, grammatically speaking. Just remember to quote accurately!

Employee Relations- 'Finder' Case Study Essay Example | Topics and Well Written Essays - 3000 words

Employee Relations- 'Finder' Case Study - Essay Example This has meant anarchy of sorts and with the soft warning that the union ‘UNITE’ has given to the management and top heads goes to show the problem is more than skin deep and a major catharsis is required which will solve the issue once and for all. From the organizational standpoint, management is stuck as to how it can retain its employees whilst asking them to attend office on a consistent basis. This is a problem which has haunted Finder Industries for a long time and a solution needs to be found to tackle the issue at hand. However, the problems are many and the alternatives in the wake of solutions are less (Willman, 2009). This paper will try to establish where the problem actually lies within Finder Industries and what the solutions should be. Also it will aim to determine where and how the directives need to be changed so that the employees can stop taking the company for granted and give it their best in even the most trying of times and circumstances. Further, there will be recommendations that would address the problems at hand and consideration would be paid towards the barriers that have a say in a very destructive manner towards the outcome of the issue. Also a reflective statement would be mentioned that would add on to the discussion so that the end results are comprehensible, engaging and decisive as far as solutions are concerned. The problem with Finder Industries is that the employees are not respecting the workplace at the moment. What is even more distressing to know is that the company is not doing much for itself to get respected within the eyes of the employees and workers. This respect comes from empathy for one another that would eventually act as a symbiotic force for the long term solutions that could be found for the sake of the Finder Industries. What is a problem now could be treated as one of the pathways towards finding a solution – if only there is such a comprehension achievable in the first place. The re spect factor must start from the top; however there are times when this respect issue could be understood by incorporating motivation and providing incentives to the middle and lower middle management domains. One can be sure when the respect factor for the sake of the Finder Industries would be available, many problems would automatically get resolved, and that too in an amicable fashion (Bruno, 2005). The need right now is to find out what would motivate the employees to start respecting where they work and how they can live up to the organizational name and raise its stature more and more. Moving ahead with the debate, Finder Industries is going through a tough time at the present because its rules and policies as far as the sick leaves are not properly designed. If this can be done in a proper way, perhaps there could be a pathway to finding new solutions to tackle the issue at hand. Finder Industries needs to know why its rules and policies regarding sick leaves and absenteeism of employees is not drafted in a proper way but then again this would mean that the company has not gone forward but is geared to go back. This must not happen (Moriconi, 2011). The approach should always be positive because it sends good enough signals to one and all within the organization. The best foot forward would be to determine if there is room to devise rules and policies which would be deemed as agreeable by the union ‘

Federal Drug Policy Paper Essay Example | Topics and Well Written Essays - 750 words

Federal Drug Policy Paper - Essay Example Early intervention with teens and parents is recommended, and programs and grants in economically disadvantaged communities are being increased. Drugs are big business and dealers look for big markets. Many young people are introduced to drugs by a friend, but the belief that "everyone" is using drugs is a fallacy. The President's drug control policy is focused on use by young people, while drug use is often related to behavior problems as well; however, the strategy does not address this (General Accounting 2003). In fact, communities are encouraged to apply for grants to set up their own programs. In other words, the government prefers to pass the buck. According to the 2004 strategy, the drug treatment system is being expanded over five years and an increase in funds is proposed. It is also suggested that drug courts could be established at the county level with incentives for drug users in order to reduce recidivism. Once more, however, as in plans to stop drug use, the community is called upon to develop a residential, therapeutic community-type treatment campus. (Fraser 2006). Law enforcement often targets smaller issues, while larger issues get out of hand (Fraser 2006). The U.S. Government announced that it would no longer seize small shipments of Canadian pharmaceuticals at the border. Months of aggressive seizures resulted in 40,000 confiscations nationwide. Because of cheaper drugs in Canada, seniors complained about the seizures. As a deterrent to major drug cartels this action had no effect at all and only made it difficult for seniors to survive in a failing U.S. economy. It is said that the FDA and U.S. Customs illegally confiscated medications to boost U.S. sales of pharmaceuticals (Fraser 2006). Disrupting the Market Increased initiatives are intended to curtail Priority Target Organizations in the international drug trade, with more flight hours for patrolling regions with radar coverage, and with the Department of State Andean Counterdrug Initiative supporting Columbia, Peru, Bolivia, Ecuador, Brazil, Venezuela, and Panama (President's National 2004). Unfortunately, an increase in budget in these areas might close down one area and cause another one is set up immediately (Friesendorf 2007). How Does Arrest of Drug Dealers Factor into the Policy The effort to curtail access to illegal drugs has been a government initiative for many years, but for every apparently successful effort, another drug trafficking organization arises, with bribery and money laundering as well as corrupt government practices creating a financial bonanza for those in the drug trade. Establishing increased enforcement is all very well if it is successful but too often it meets the barrier of corruption. The effort to limit agricultural sources has not been successful and interferes with a cultural way of life in which a country uses the plants it grows such as coca as medicine or in cultural rituals (Friesendorf 2007). Conclusion Government studies show that drug use initiation is highest among

Platos Allegory Of The Cave: Importance Today

Platos Allegory Of The Cave: Importance Today Our society so values education that sociologists have recognized the problem of over-education (Hadjicostandi). Many people are spending years pursuing degrees which they simply do not need for the jobs they perform. It is therefore prudent for students to question whether pursuing a liberal education is really as important as our society believes. What is the point of a college education? Does it have any purpose beyond its material benefits. Are these benefits worth their cost? These are important questions that need answering. In the end, we may see that there is far more to this debate than simple accounting. Perhaps what makes education worth pursuing is that it gives us the freedom to makes these kinds of decisions about what is best for us. In many ways, this debate over education has its roots in the writings of Plato (Jowett). In Book VII of The Republic, Plato discusses such topics as enlightenment, epistemology, forms, and the duties of philosophers Allegory of the Cave vs The Matrix: Imagine living through life completely bound and facing a reality that doesnt even exist. The prisoners in Platos Allegory of the Cave are blind from true reality as well as the people in the movie The Matrix written and directed by the Wachowski brothers. They are given false images and they accept what their senses are telling them, and they believe what they are experiencing is all that really exists. Plato the ancient Greek philosopher wrote The Allegory of the Cave, to explain the process of enlightenment and what true reality may be. In the movie The Matrix, Neo (the main character) was born into a world of illusions called the matrix. His true reality is being controlled by the puppet- handlers called the machines who use the human body as a source of energy. In the movie, Neo, finds and alternate reality and he has to go on a journey to discover himself and what is around him. Much like The Allegory of the Cave the prisoners in a dark underground cave, who are chained to the wall, have a view of reality solely based upon this limited view of the cave which is but a poor copy of the real world. Both the prisoners of the cave, and Neo from the Matrix, have to transcend on the path of enlightenment to know the truth of their own worlds. The Allegory of the Cave in Different Perspectives The Allegory of the Cave, written by Plato, is an interpretation of a conversation between Socrates, Platos mentor, and Glaucon, one of Socrates students.  ¡Ãƒâ€šÃ‚ §The Allegory of the Cave ¡Ãƒâ€šÃ‚ ¨ can be interpreted several different ways. Imagine men in a cave chained up by their necks and legs, forcing them to only look forward at a wall. An opening behind them lets the light in. Above the burning fire and chains, there is a road. Have these chained men ever seen anything else of themselves or others beyond the cave ¡Ãƒâ€šÃ‚ ¦s shadows made by the fire? Some people would say the truth is only perceived by the shadows seen on the walls of the cave. What if one of these men ¡Ãƒâ€šÃ‚ ¦s chains were taken off and he was free to leave? Would the man feel pain when seeing the real world? Would he be confused on believing what is real? Would it make a difference if the chained man was briefly educated about what he was going to see first? Perhaps he would understand and not be confused about what is real. Will the man think what he saw before was much more real than what he sees now? Questions like these will bring different opinions and meaning to The Allegory of the Cave. ¨ Whose interpretation, if any, is correct when explaining the meaning of The Allegory of the Cave? Does it have mathematical meaning, explain a vision of the whole world, or is it just a comparison to the field of social work? Similarities between Platos and Descartes Epistemologies Summary Philosophy is a subject that can take many twists and turns before it finds an answer to a general question. Sometimes, an answer is still left unfound. Philosophy, in its broadest terms, can be described as the systematic pursuit of knowledge and human excellence. What we are concerned with is knowledge. Many people have theories of knowledge. Amongst them, there are two we will be looking at, Descartes and Plato. We will examine Descartes epistemology in Meditations on First Philosophy and Platos in The Republic. Descartes epistemology is known as foundationalism. In the Meditations, Descartes doubts everything he was taught to believe because it is human tendency to believe what is false. In the first, he claims that most of what he believes is from his senses and that those senses are sometimes deceived. His solution to doubting everything is compared to a basket of apples. You fear that some apples have gone bad and you dont want the others to rot, so you throw all the apples out of the basket. Once this is done, you examine each one and return the good apples to the basket. This is what he does with his beliefs. He keeps only those he is certain of. We must discard our beliefs as a whole and then examine each one individually. We must build on the good beliefs. Descartes, however, does realize we cant throw every belief out because they are a part of us, unlike the apples. We would have no basis for recovering any of our beliefs. We would be unable to justify anything. No belief based on sense-perception is free from doubt. He said it is possible that his life is all a dream and he is being deceived into thinking it is reality. He also holds false anything that is physical exists, including his own body. The only things we should trust are those beliefs that are subject to rational scrutiny. We must also declare our mathematical judgments to be false also because an evil demon might be deceiving us. Now, Descartes has cast doubt on all his beliefs about everything but himself. He cannot be deceived about himself. It is on himself that he will be able to rebuild his knowledge of other things. If he had no knowledge of himself, then nothing can be certain. If he doubts, he must be an existing self which is engaged in doubting. If he doubts, he must also be thinking and Descartes said I think, therefore I am. He must also exist so that he can be deceived. If he is dreaming, then he is also thinking, thus he still exists. This is the first step to acquiring knowledge, to Descartes. You must build on what you know is certain, starting with yourself as the foundation. In the second meditation, Descartes tries to show we know bodies through reason and not through senses. He uses a piece of wax to demonstrate. Over a period of time, a freshly produced piece of wax placed by the fire loses or changes all its specific properties, yet it is known to be the same object. Its taste and odor disappear. Its color, size, and shape are completely transformed. It loses its hardness and coldness to liquidity and warmth. To know the wax, you must be able to anticipate its changes. Descartes argues, though, that the imagination could not possibly figure out all conditions, for they are infinite. One can only know an object through understanding, rather than through images, sensation or imagination. He now has knowledge about himself and any object that he has thought about through reason. We are now moving along nicely in rebuilding our house of knowledge. In the third meditation, we move into another building block of knowledge, God. We look at the example of two plus three equaling five. We see this to be clear and distinct, but it is possible that we are being deceived. He tries to dispel the doubt about propositions of mathematics by claiming that God exists and would not allow such a deception. He makes an argument for Gods existence. Premise one states that we have an idea of God. Premise two states that the only way to have an idea of God is if God exists. Therefore, the conclusion is that God exists. Us having an idea of God means us having an understanding of the infinite. We cant understand the infinite through the finite, but only through the infinite, thus God must also be the cause of the idea of God. We as finite substances cannot cause the existence of an infinite substance. The idea is also an objective reality, thus it can be held as true. God is not deceiving us and now we have added the final building block to our ho use of knowledge. In The Republic, Plato has his own epistemology. His is more along the lines of idealism. The ascent to knowledge is not based upon understanding an object, but understanding the idea of that object. The highest idea or form is the idea of the Good itself. Socrates is the main character of this section of The Republic. He engages in a conversation with Glaucon about knowledge. Socrates gives two images of the ascent from chaotic opinion to orderly knowledge, the image of the divided line and of the Cave. Knowledge is what is certain and true and opinion is what is fallible. This is where we may see a connection between Plato and Descartes. They both agree that knowledge must be certain and all other things false. Plato held that all knowledge can be derived from a single set of principles. Knowledge rests on the Good as its foundation, unlike Descartes, where ones self is the foundation. Plato compares the power of the Good to the power of the sun. The sun illuminates things and makes them visible to the eye. The absolute good illuminates things of the mind and makes them intelligible. According to Plato, the idea of the Good is too much for humans to understand, but can be thought of as the idea of absolute order. The sun is the cause of generation, nourishment, growth, and visibility. The Good is the cause of essences, structures, forms, and knowledge. This is somewhat similar to Descartes because God is the cause of the idea of Himself, thus the cause of everything else also. There are four levels of knowledge. First, there are two ruling powers though. The good is set over the intellectual world and the sun over the visible world. We start with two lines, one for knowledge and one for opinion. Now we cut them once more and now there are four sections, two belonging to the intelligible world and two belonging to the visible world, two belonging to knowledge and two belonging to opinion. The first section is that of images such as shadows and reflections. The second deals with us seeing actual things, sense-perception. Unlike Descartes, we will not discard this, but use it to build on our knowledge. Descartes believes sense-perception to be false, but Plato uses it as a stepping stone towards knowledge. Now we have the two subdivisions of the intellectual. The third section is where the soul has understanding through its assumptions based on images. The fourth section is where the soul moves past the use of any images and strictly reasons things out. One d oes not use objects, but ideas to reason. Next is the Allegory of the Cave. Platos allegory is a copy of the reality of the divided line. Plato realizes people can think and speak without being aware of the Forms. Plato treats these people as prisoners chained in a cave, unable to turn their heads. All they are able to see is the wall of the cave and a fire burns behind them. There is a place to walk between the prisoners and the fire. There are others in that place that hold up objects to cast shadows on the wall of the cave. The prisoners are unable to see these objects behind them. They see and hear only the shadows and echoes cast by these objects. Prisoners like these would mistake appearance for reality. They would think the shadows are real, but would be unaware of the causes. Plato points out that they would refer to the shadow rather than the real object. The only way for the prisoner to see what he is talking about is to turn his head around. We actually name things we can not see, but things that we can only grasp in the mind. When the prisoners are released, they can see the real objects and realize their error. The way we can see the causes of our shadows is by grasping the Forms with our minds. The prisoners now ascend upwards out of the cave( into the intellectual world). When they first leave the cave, their eyes feel pain the same way the jury that convicted Socrates felt pain. They were not used to the light just like the jury was not used to Socrates manner of speaking. The prisoners would, at first, react violently as the jury did and try to descend back into the cave. This is similar to when the jury sentenced Socrates to death. But the prisoners must go on. Once they adjust, they are able to see the objects and what they must possess in itself. This takes us back to Descartes again. Descartes also believed we must look for an objects uniqueness without relying on sense-perception. The light shows them what the external conditions must be and then they finally see the sun, the sour ce of the external condition. Plato and Descartes have their own epistemologies. Platos is that of Idealism and Descartes is Foundationalism. They differ somewhat while they also share similarities. Plato says what we see are shadows, not the real objects. A philosopher is one who strives to see the object and what makes the object unique. Finally, the philosopher will be able to see the idea of the object. Descartes also aims to find the uniqueness of an object and the idea of it through reason, but his approach differs. He casts doubt on what he feels isnt certain and starts to rebuild his house of knowledge on what is, himself being the foundation. Plato is not necessarily looking to cast doubts on ones beliefs, but is trying to expand ones knowledge of it. Their ends are the same, try to reach the Good or God, but their means are different.

Quantitative Determination of Sulfate by Gravimetric Analysis Essay

1. Synopsis: This report is written about determining the quantitative amount of sulphate inside barium sulphate, BaSOâ‚„, using the method of gravimetric analysis. This quantitative determination is done by the addition of a dilute solution of barium chloride slowly to a hot unknown sulfate solution slightly acidified by concentrated hydrochloric acid, HCl. The white precipitate of barium sulphate is filtered off, washed with water, oven-dried, and weighed as barium sulphate. The quantitative amount of sulphate is deduced from mathematical calculations. The results of the experiment, however, did not yield positively, probably due to inadvertent human error over the course of the experiment. The percentage yield of sulphate inside barium sulphate attained from our results was not up to expectations. The percentage yield of sulphate was expected to be at least 90% and above, with >90% as a good percentage yield. Instead, we attained 54% percentage yield of sulphate. 2. Objective: The purpose of the experiment is to determine the quantitative amount of sulphate inside barium sulphate using the method of gravimetric analysis. 3. Theory: 3.1 Summary: Throughout the duration of the experiment, there are many procedures, techniques, chemicals, and instruments used to produce the results of the experiment. There are a total of three simple sets of procedures required, in the gravimetric analysis method, in order to create the results of the experiment. The first procedure is the precipitation of BaSOâ‚„, barium sulphate, followed by the second procedure, the washing and filtration of BaSOâ‚„ precipitate. The third and final procedure is the drying and weighing of the dry sample of BaSOâ‚„ precipitate. From there, the results are gathered by methodical mathematical calculations. 3.2 Technique: Gravimetric Analysis: Gravimetric analysis is a series of methods in analytical chemistry for finding the quantitative amount of a certain analyte based on a sample of solid. To perform gravimetric analysis, one of the most common methods is to convert the analyte into a solid via the use of precipitation with the appropriate reagent chemicals. After that, the precipitate is collected via filtration, washed, dried, off all moisture content, and weighed. Then, the quantitative amount of analyte in the sample is calculated from the mass of the precipitate and its chemical composition. There are many advantages using gravimetric analysis. It allows for extremely precise analysis, such as the determination of many elements’ atomic masses up to six decimal places. It also does not require expensive scientific equipment to perform such analysis and, furthermore, it can even be used to calibrate scientific instruments in lieu of international reference standards. 3.3 Chemicals: During the experiment, some chemicals were used to obtain the barium sulphate, BaSO4, from which the quantitative amount of sulphate can be found from within. The chemicals used were dilute 10% barium chloride solution, BaCl2, dilute 0.5% sodium sulphate solution, (Na)2SO4, and concentrated hydrochloric acid solution, HCl. In order to obtain barium sulphate, a chemical process, known as the displacement reaction, was utilised. In the displacement reaction, the cations and anions switch places from their original compounds to form entirely different compounds. In this experiment, 10% barium chloride solution is added to 0.5% sodium sulphate solution (which is slightly acidified by adding concentrated hydrochloric acid), resulting in the formation of soluble barium sulphate. 3.4 Instruments: In the experiment, various scientific instruments were used in the determination of the quantitative amount of sulphate. The following instruments were used, were the 250ml beaker, the bulb filler and vacuum-assisted pipette, the measuring cylinder, the watch glass, the laboratory crucible, the vacuum pump, the hot air oven, the desiccator, and the digital analytical weighing balance. The 250ml beaker is a cylindrical container with a flat bottom, which is used as a simple container to stir, heat, or mix various liquids. The vacuum-assisted pipette is a hollow narrow cylinder that has a large bulge with a single graduation mark as it is calibrated for its specific volume, generally between 10ml, 25ml, and 50ml. The bulb filler is the simplest form of the pipette dispenser, using pinch valves to draw air within to create a vacuum within the vacuum-assisted pipette. The two pieces of laboratory equipment are generally used in conjunction with one another. The bulb filler is carefully inserted on top on the vacuum-assisted pipette. The pinch valves can be manipulated to draw the liquid inside the pipette. The measuring cylinder is a narrow cylinder with a flat base that is used to measure amounts of liquid with the corresponding markings along the cylinder. The watch glass is a circular, slightly convex-concave piece of glass that is generally used to evaporate a liquid, hold solids being weighed, or as a cover for the beaker. The laboratory crucible is a cup-shaped piece of laboratory equipment made to contain chemical compounds as they are heated to extremely-high temperatures. The hot air oven is an electrical oven used to dry chemical compounds or sterilise articles. The desiccator is a sealable enclosure that is used to preserve items sensitive to moisture in the open air, such as cobalt chloride paper. The digital analytical weighing balance is type of electronic balance made to measure small amounts of mass up till several decim al figures. 4. Procedures: In order to determine the quantitative amount of sulphate, the procedure that is split up into three smaller sections. The first section is the precipitation of barium sulphate. The second section is the washing and filtration of the barium sulphate precipitate. And, the third section is the drying and weighing of the barium sulphate precipitate. 4.1 Precipitation of BaSO2: 1. Use the bulb filler and vacuum-assisted pipette to pipette 25ml of the 0.5% sodium sulphate solution into a 250ml beaker. 2. Add 50ml of water and 5 drops of concentrated hydrochloric acid into the beaker. Note: Concentrated hydrochloric acid is highly corrosive. Add the concentrated hydrochloric acid into the beaker while handling it in the fume hood with protective gloves and goggles. 3. Heat the beaker until it is boiling. Use a glass rod to stir the solution vigorously, while adding 10ml of 10% barium chloride solution from a measuring cylinder drop-by-drop. 4. Use a watch glass to cover the beaker and adjust the heat to just below temperatures. Leave it there to digest for 20 minutes. 5. To test for complete precipitation, add a few drops of barium chloride and observe to see if there is clear supernatant liquid. 4.2 Washing and Filtration of BaSO4 Precipitate: 1. Take two pieces of filter paper and place them at the base of the dry and weighed laboratory crucible. Ensure that the filter paper pieces cover the base of crucible completely. Then, use the vacuum pump to decant the clear supernatant liquid by filtration into the crucible. 2. Dislodge any particles in the beaker and rinse it with warm deionised water. Empty the contents into the crucible while the vacuum pump is at work. Make sure that all the solids in the beaker have been transferred to the crucible. 3. Wash the barium sulphate precipitate further with warm deionised water at the vacuum pump twice more. 4. Discard the filtrate. 4.3 Drying and Weighing of BaSO4 Precipitate: 1. Place the crucible, containing the BaSO4 precipitate, into the hot air oven. Set the temperature to 150 °C and leave it for half an hour. 2. Use the desiccator to cool the crucible and precipitate for 10 minutes. 3. Once the crucible has cooled down, weigh it using the digital analytical weighing balance. 4. The weight of the BaSO4 precipitate is calculated from the difference between this weight and the weight of the empty crucible including the filter papers. If there is still sufficient time, you may repeat the above Steps 1-4 until a constant weight of the precipitate is successfully obtained. 5. Results and Calculations: | 1st Drying:| 2nd Drying:| Mass of Crucible + Filter Paper + Sample:| 31.9078g| 32.0188g| Mass of Crucible + Filter Paper:| 31.7975g| 31.9071g| Mass of Sample (BaSO4):| 0.1103g| 0.1117g| The mathematical calculations to attain the results of this experiment are listed below: 0.5% of sodium sulphate (NaSO4) = 5100 Ãâ€"25g = 0.125g Composition by mass of SO42- = Molecular weight of sulphate ionMolecular weight of sodium sulphate Ãâ€" 0.125 = 0.0845g (4 significant figures) Composition by mass of SO42- prepared = Molecular weight of sulphate ionMolecular weight of barium sulphate Ãâ€"0.1103g = 0.04544g (4 significant figures) Percentage yield of sulphate = 0.045440.0845 Ãâ€"100% = 53. 775% ≈ 54% 6. Discussions: The objective of this experiment was to determine the quantitative amount of sulphate using the gravimetric analysis method. The quantitative amount of sulphate was measured in percentage yield, which we attained 54% instead of the expected percentage yield of 90% and above. It became obvious that somewhere along the way, in conducting the experiment, a significant error had been committed. After much analysis, it was found that there had been some sources of error that accounted for the less-than-satisfactory results. One major source of error could be the contamination of the intended precipitate through the use of laboratory instruments and vessels that were not cleaned properly. When the instruments and vessels are unclean, any left-over remains of chemicals and compounds could be unintentionally released to the intended precipitate and polluted it through a process known as co-precipitation. The foreign species could have reacted with the intended precipitate and resulted in the loss of much of the sulphate ions, leaving only 54% instead of the intended 90% and above. To avoid any possible error of contamination, one must keep in mind to properly clean the instruments and vessels to use in the experiment. One way to minimise the co-precipitation of substances would be leaving the solution, containing the soluble precipitate of barium sulphate, in the process of forming the precipitate, to digest longer than the standard 20 minutes. Another source of error could be the decomposition of the precipitate itself during the process of removing moisture content in the hot air oven. The ignition can result in the losses via decomposition of the potentially-volatile precipitate. 7. Conclusion: In conclusion, the results were not up to expectations due to a few sources of error that caused the less-than-satisfactory results. Gravimetric analysis is a proven set of methods to use in the field of analytical chemistry. It allows for extremely precise results, if the procedures were followed very carefully, and no errors were committed over the course of the experiment. However, we did not attain 90% and above for the percentage yield of sulphate as we committed some errors unknowingly. Contamination was a major issue in the experiment that would have been avoided if only we had properly cleaned the instruments before performing the experiment. In short, the objective of the experiment was fulfilled by attaining sulphate using the gravimetric analysis method, although not all of it was attained. 8. References: Online References: Theory: 1. Wikipedia: Gravimetric Analysis Available from: http://en.wikipedia.org/wiki/Gravimetric_analysis Accessed from: 20th June 2013 2. Wikipedia: Instruments Available from: http://en.wikipedia.org/wiki/Beaker_(glassware) http://en.wikipedia.org/wiki/Pipette http://en.wikipedia.org/wiki/Measuring_cylinder http://en.wikipedia.org/wiki/Watch_glass http://en.wikipedia.org/wiki/Crucible http://en.wikipedia.org/wiki/Hot_air_oven http://en.wikipedia.org/wiki/Desiccator http://en.wikipedia.org/wiki/Analytical_balance#Analytical_balance Accessed from: Accessed from: 20th June 2013 3. R.L. Watters, Jr, 1997, Gravimetry as a Primary Method of Measurement Available from: http://www.rminfo.nite.go.jp/common/pdfdata/4-002e.pdf Accessed from: 20th June 2013

Outline of a Research Paper Fundamentals Explained

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Greed And Consumerism In Salingers See More Glass

the omnipotent harms of greed and consumerism; yet her mother slathering her with sun-tan oil corrupts her innocent nature. As Sybil stands with her mother she repeats, â€Å"See more glass† (12). Seymour’s name alludes to the notion of him seeing more than others and breaking through the vapidity that pervades society. shows that he is unique in realizing those around him are living in a meaningless nature. His last name, Glass, represents Seymour’s ability to clearly see the fakeness and pettiness exuding from society. Sybil reconciles with Seymour on the beach, and she asks him where the lady (Muriel) is, and he replies, â€Å"At the hairdresser’s. Having her hair dyed mink† (7). By dyeing her hair, Salinger shows the lack of satisfaction Muriel†¦show more content†¦Salinger’s unique diction makes the reader understand the severity of to the negativity disseminated by omnipresent materialism in society. Salinger’s use of th e Bananafish is symbolic of the greedy nature inevitably found in humans. The bananafish is Seymour’s invented sea creature that is the epitome of selfishness and gluttony; it eats an abundance of bananas and eventually dies of banana fever. The bananafish is significant in conveying how people are consumed with superficial and shallow desires and how their greed will lead to their demise. Seymour tells Sybil the story of the bananafish stating that once they get in the hole where there is many bananas, â€Å"they behave like pigs†¦ and eat as many as seventy-eight bananas† (14). The bananafish draws parallels to the gluttony of people like Muriel, whose life revolves around consumerism. By saying they behave like pigs, Salinger conveys how individuals lose rationality and are overcome with a desire for more and more objective things. Seymour tells Sybil that the bananafish, â€Å"eat so many bananas they can’t get out of the banana hole† (10). This shows that once individuals are introduced to the greed and pettiness prevalent in society, it’s impossible to avoid. Seymour characterizing the bananafish in such ways represents his struggle to deal with the society he was once assimilated in, after fighting in war. AsShow MoreRelatedComparison of Child Characters in Salingers Teddy and A Perfect Day for Bananafish2559 Words   |  11 PagesIn J.D. Salinger’s Nine Stories there are many tales centered on children, who are often depicted as a symbol of hope and connected with the values that stand in contrast to the ones typical of the adults corrupted by materialism. In my essay, I would like to concentrate on the portrayal of children in â€Å"A Perfect Day for Bananafish† and â€Å"Teddy†. Even though the way these characters are depicted is similar, a child protagonist in each of the stories is representative of different things. While Sibyl