CHEM%2315%Fall%2014% Creating useful and beautiful molecules using synthetic organic chemistry – Synthesis of Aspirin and Indigo INTRODUCTION Aspirin Salicylic acid occurs naturally in the bark of willow trees. Prior to the 1800’s‚ willow bark was often brewed into a tea‚ or chewed to relieve pain. While the salicylic acid is effective at reducing pain it was found to irritate the lining of the stomach. It was mostly by chance that on August 10‚ 1897 Felix Hoffmann‚ a German chemist who obtained
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This piece of work is part of the assessment strategy for the module preparation for mentorship‚ I will attempt to critically discuss and analysis the support I have put into place in relation to learning outcomes 2-5 whilst supporting a learner in practice. I will continue by examining strategies and decisions‚ identifying my own and students learning needs and styles‚ also examining theories surrounding learning and mentorship. Furthermore my roles and responsibilities as a mentor will be analyzed
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PREPARATION OF ALUMINA POWDERS 1. BAYERS PROCESS INTRODUCTION The Bayer Process was invented and patented in 1887 by Austrian scientist Karl Josef Bayer. Two to three tonnes of bauxite are required to produce one tonne of alumina. 90% of the global alumina supply of around 90 million tonnes is used in aluminium production. DEFINITION The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide). The aluminium oxide must be purified before it
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unattended. The hot beakers and test tubes must be handled with care and should only be moved using tongs. Also‚ tie back long hair to prevent any accidental fire‚ and be familiar with the location of the fire extinguisher. Discussion The synthesis of aspirin demonstrated here demonstrates several relevant suggestions that should be considered in the synthesis of a substance. Firstly‚ the recrystallization of a product should be performed if possible and relevant. In most reactions‚ the amount of product
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PREPARATION OF DETERGENTS CONTENTS Introduction 1. Classification of synthetic detergents * Anionic Detergents * Neutral or non-ionic detergents * Cationic Detergents * Bile Salts - Intestinal Natural Detergents * Amphoteric Detergents * Amphoterics 2. Key Concepts 3. Raw Materials 4. The Manufacturing Process * Introduction * End Products * The Blender Process * The Agglomeration Process * The Slurry Method * Liquid Detergent * Quality
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The Differences in Competencies Between Nurses Prepared at the Associate-degree Level Versus the Baccalaureate-degree Level. Amanda J. Perez Grand Canyon University: NRS-430V-0105 NRS-430V Professional Dynamics March 10‚ 2013 The Differences in Competencies Between Nurses Prepared at the Associate-degree Level Versus the Baccalaureate-degree Level. Although both an associate-degree level and baccalaureate-degree level prepared nurses may sit for the same NCLEX-RN exam‚ “nurses prepared
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Onam is one of the greatest festivals of INDIA. It is celebrated with joy and enthusiasm all over the Country by all communities. It is celebrated in the beginning of September. It is a celebration of 10 days. The Legend of ONAM is‚ It is celebrated to welcome the King Mahabali‚ whose spirit is said to visit India at the time on ONAM. The story goes that‚ the beautiful state of Kerala was once ruled by a Demon King ‚ Mahabali. The king was greatly respected in his kingdom and was
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Synthesis of Acetanilide Reaction O NH2 + H3C C O O C CH3 O N C CH3 H + H3C O C OH Aniline Acetic anhydride Acetanilide Acetic acid Purpose: Acetanilide is a useful precursor to many pharmaceuticals such as acetaminophen and penicillin. Experimental Procedure. (Estimated time: 1.5 h.) Unless otherwise noted‚ all manipulations should be done in the chemical fume hood. Place 100 µL of aniline into a tared 10 X 75-mm test tube (standing in a small beaker or Erlenmeyer flask). Now add
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When I was a child growing up with my mother and grandmother‚ I would always sit on the back porch and smell all of the different aromas coming out of the windows and back door of the house. My mother would always tell me to come in and look‚ so that‚ I could learn how the two of them prepared our meals‚ sometimes I would stand in the door of the kitchen and make mental notes on how to prepare cakes‚ pies‚ and homemade candy. I can remember when my grandmother became really sick and my mother
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The economic and social impacts of tourism in the democratic republic of Belize General information: Belize is the country in Central America. Capital of Belize is The Belmopan city. The currency of Belize is belizean dollar. Population of Belize is 350 000 people. Belize got independence in 1981 from Great Britain. Economical advantage. Tourism in Belize is the most important part of country’s budget. About 40% of impacts comes from tourism. Belize is the popular place among European
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