CHEMISTRY 101.1 Intermediate Chemistry Laboratory I Institute of Chemistry University of the Philippines‚ Diliman I. Synthesis of Salicylic Acid Purpose: Part I of the experiment illustrates the base hydrolysis of an ester‚ methyl salicylate‚ to form salicylic acid through nucleophilic acyl substitution. Procedure: Dissolve 12 g NaOH in 70 mL water in a 150 mL round bottom flask. Add 5.0 mL methyl salicylate and reflux the reaction mixture at its boiling point for 15 minutes using a stirrer
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aqueous solution of formaldehyde is called formalin. The commercially available formalin has 10 to 12% methanol with a few impurities like aluminum and copper. Almost 21 million tonnes of formaldehyde is produced annually all around the world. Synthesis of Formaldehyde Formaldehyde is produced by catalytic oxidation of methanol. A mixture of molybdenum and iron or silver is used as a catalyst in such a reaction. But a more commonly used process is FORMAX. In this process‚ methanol and oxygen
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Information Technology Acts Paper Shawanda Donelson BIS/220 March 31‚ 2012 Jacquelyn Jones Information Technology Acts Paper In the 1990s the Internet became popular‚ which children then had unsupervised access. Children were exposed to porn and other harmful materials. Congress tried to stop it and put it into law‚ but each direction it went was determined as being unconstitutional. To an extent‚ technology finally prevailed. Congress should not pass a law penalizing distributors
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Amanda Carlson Amy Ruppert English 101‚ 9am March 11‚ 2011 Synthesis Paper Many Americans have included caffeine as a part of their daily diet whether they realize it or not. In fact‚ “caffeine is the most consumed psychoactive substance in the world” (Ruxton How is this instead (Caffeine is especially common throughout…) 15). It is found very especially commonly throughout every day foods and consumed mostly though through coffee‚ tea‚ soda‚ and chocolate (Spiller 200). Many Americans
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Explanatory Synthesis A countless number of children in the United States were taught to believe that you could accomplish anything if you worked hard. This American dream has now become an American nightmare. According to the information in the Hart Research Associations titled “Raising the Bar‚” “ How the Rich are getting Richer and Poor are getting Poorer‚” and the Workforce Commission powerpoint‚ Americans are faced with many obstacles to learn how to survive in the economy. The main discussion
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THE ECONOMIC REPORT OF UZBEKISTAN The International High School at Lafayette Fall 2013 Mr. Joel Sherzod Musaev Uzbekistan is located in heart of the Central Asia. When we talk about Uzbekistan we have to look through history of it and suddenly everything will connect to the Soviet Union. Uzbekistan played one of the most important roles of USSR. Uzbekistan was controlled by Soviet Union over 67 years. Uzbekistan’s role was specifically to grow cotton and government
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Abortion in the US The matter concerning Abortion in the United States‚ and abortion-related issues‚ are the subject of intense public and political debate and discussion. It is a burning issue and ongoing discussion today in some aspects is even more intense than it used to be. It has become a very useful political tool to focus on the appearance of the abortion legislation for instance in times of election. Ever since the early 1900 almost every state had its own designed anti-abortion laws
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The U.S in the Caribbean since 1776 when it gained independence from Britain ‚it became the dominant power in the region.The U.S has had an interest in the Caribbean due to its cole proximity and strategic importance since this time however the Caribbean began to play a more dominant role in U.S foreign policy in the 19th century beginning with Cuba 1898‚puerto rico1898 and Haiti in 1915.These later expeditions due nominally to the monore doctrine of 1823. The U.S interests as stated earlier although
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Gringard Synthesis detailed procedure and scheme of the apparatus any changes to the original procedure‚ actual masses‚ and obs yield calculations and mp Discussion outline Grignard rxn (what is it used for‚ why important‚ the mechanism) Reaction set up (important details) How can the rxn be activated Second step: rxn of the Grignard reagent with acetophenone‚ quenching with ammonium chloride Isolation of the product‚ identification Possible or actual sources of error Part one of our experiment
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INTRODUCTION The topic of the present paper is “Teenage problems in the USA”. Youth is a time of uncertainty and change. Physical‚ emotional and social changes take place during this time and make adolescence difficult. Hence‚ at this period teens in every country and especially in America face many problems including depression‚ sexual pressures‚ bullying‚ financial worries‚ the balance of media and technology as well as drugs and alcohol. Therefore‚ we will browse the internet to find relevant
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