CHEM 3125 Experiment 4: Multistep synthesis of tetraphenylcyclopentadienone Overall Synthesis: CHEMICALS: wk 1: thiamine hydrochloride (1 g/student)‚ 95% ethanol (8 mls/ student)‚ 2M NaOH (5 mls/student)‚ benzaldehyde (4 mls/student) wk 2: 95% ethanol (30 mls/student) wk 3: acetic acid (6 mls/student)‚ ammonium nitrate (1 g/student)‚ 0.1g/ml cupric acetate (1.5 mls/student)‚ dichloromethane (6 mls/ student)‚ 30% acetone in heptanes (3 mls/student)‚ 95% ethanol (20 mls/student) wk 4:
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Objective To synthesis methyl orange by coupling diazotised sulphanilic acid with N‚N-dimethylaniline. Materials (Chemicals) Sulfanilic acid‚ 2.5% aqueous sodium carbonate solution‚ sodium nitrite‚ concentrated hydrochloric acid‚ N‚N-dimethylaniline‚ glacial acetic acid‚ 10% aqueous sodium hydroxide‚ saturated sodium chloride solution Apparatus 50 mL Erlemeyer flask‚ 250 mL beaker‚ test tube‚ hot plate‚ Buchner funnels Procedure In a 50 mL Elermenyer flask 1.2 g of sulfanilic acid and
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article but because we are using a plagiarism tool online‚ I thought it would consider direct quotes as plagiarism even if I cite the source in my write up. The article I chose is called‚ “Synthesis of a Genius” by George Kauffman and Steven Chooljian. The area of exploration and discovery that I chose was the synthesis of urea in chemistry. Urea was discovered by Friedrich Wohler‚ in 1828. This discovery ultimately changed the belief at the time that only organic compounds can be created from living
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Depending on the boy/girl ratio the co-educational institution has several advantages over the non co-educational system. Having classes together is an excellent idea and is successful in most schools. Boys become aware of girls’ abilities and vice versa. A spirit of co-operation and competition thrives in the co-educational system. Girls & boys at a self conscious age take extra care of themselves. Growing up together and sharing activities such as dramatics‚ art and other things like socials
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The co-operative Food limited‚ which is one of the UK’s biggest food retailers‚ coming 5th place after other supermarket businesses. They have over 3‚000 stores all located in the UK and in 1998 The Co-operative business‚ stocked Fair-trade products in most food stores. The co-operative is a large business and has many different sectors but our coursework will be based on the food section. In 2009 the co-operative group bought the Somerfield business meaning that they increased on the number of stores
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Why have McDonald’s super-sized co-branding? In this essay‚ we seek to give a balanced informative diagnosis of how in recent years McDonald’s have tried to recreate and re-sculpt its brand image in the mindset of its customers and society as a whole. In particular‚ we want to focus our attention on how McDonald’s has adopted the marketing strategy known as co-branding to draw on the benefits of already well-established brands. “Despite being in the midst of an obesity crisis‚ it has done little
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“Co-sleeping (also known as bed sharing or "having a family bed") is the practice of having your infant in your bed with you during sleep” (Noelle). Co-Sleeping has become controversial in the United States although it has been popular in a lot of western culture. Americans tend to value independence‚ even in infants‚ so this makes the practice of sleeping with another somewhat a controversy. It can be said that sharing a bed with a sleeping baby can be seen as harmful to the child in that it may
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THE PANAMA LIQUOR CO. I. Summary of Facts A. Market 1. Recent trends indicate U.S. market move toward non-whiskey products 2. Young drinkers have strongest demand for wine‚ vodka‚ tequila etc. 3. Market Development – new market‚ existing product 4. Vodka top selling in U.S. 5. Light drinkers (31% of U.S.) 6. Economic Market- Monopolistic Competition B. Product 1. Seco/Suo 2. Other alcoholic beverages – gin‚ rum‚ whiskey‚ cognac‚ wine and anis 3. Seco treated as member of vodka category
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In “Helping Students Use Textual Sources Persuasively‚” Margaret Kantz talks about how individuals should read texts to write a synthesis essay. To write a synthesis essay‚ one should be able to come up with an argument and find information from other sources‚ and use them as proofs to back up the argument. First‚ Kantz talks about the mistakes that students usually make when they write this essay. For instance‚ Shirley made a mistake by reading a repeating and telling the story instead of creating
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Cultures and Co-Cultures By: Anna Skidmore Delta College A Culture is the language‚ values‚ beliefs‚ traditions‚ and customs people share and learn according to Larry Samovar and his colleagues (2007). Culture includes two different groups called in-groups which are groups that you identify yourself with and out-groups which is a group of people we view as different (Frings & Abram‚ 2010; Quist & Jorgensen‚ 2010). Examples of culture is the foods we eat‚ holidays we celebrate‚ the
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