Formal Report no. 1 Synthesis of Aspirin Chemical Principles Aspirin is most widely sold over-the-counter drug. It has the ability to reduce fever (an antipyretic)‚ to reduce pain (an analgesic)‚ and to reduce swelling‚ soreness‚ and redness (an anti-inflammatory agent). Much of this is believed to be due to decreased production of prostaglandins and thromboxanes. Aspirin’s ability to suppress the production of prostaglandins and thromboxanes is due to its irreversible inactivation of the cyclooxygenase (COX)
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Synthesis of Chloroform -------------------------------------------------------------------------------- With Calcium Hypochlorite and Acetone When chlorine is passed into boiling alcohol‚ both chlorination of the methyl group and oxidation of the primary alcohol group to an aldehyde occur‚ giving trichloro-acetaldehyde or chloral: When chloral is treated with caustic alkali‚ fission of the C-C linkage occurs‚ giving chloroform and a formate. Acetaldehyde and also many ketones‚ such as acetone
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Lab 3: Grignard Synthesis Objective: The goal of this lab is to synthesize a Grignard reagent from bromobenzene and magnesium metal in diethyl ether. This same Grignard reagent would then be used to prepare a tertiary alcohol and then purify and characterize the product. Table of Reagents: Name Chemical formula Melting Point Boiling Point Density Safety Hazards Diethyl ether C4H10O -116.3°C 34.6°C 0.7134 g/ml Flammable Bromobenzene C6H5Br -30.6°C 156°C 1.5 g/ml
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In today’s world‚ you can choose from steel and aluminum truck beds. While steel was the most popular option in the past‚ aluminum is becoming increasingly popular. So why are people switching to aluminum truck beds? Here are BLANK good reasons: 1. Aluminum Is Lighter As you might expect‚ aluminum is much lighter than steel. While weight isn’t usually a huge factor when it comes to shopping for truck beds‚ a lighter bed does offer some benefits. Perhaps the biggest benefit of a lighter truck bed
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claim that there are a variety of benefits of recycling. “Recycling is the process of converting products back into their constituent raw materials and then reprocessing this raw into new article” (Healey‚ 1999). People’s desire is limitless‚ but the resources in the world are not infinite. In daily life‚ there are so many products that can be seen everywhere‚ for instance‚ glass‚ paper‚ steel‚ plastic products and rubber products. Hence‚ ignoring recycling is a large waste‚ that means just throwing
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living creatures‚ work together in a certain process that is crucial to existence: the formation of proteins. Although all species differ from each other in various ways‚ the processes by which proteins are synthesized are the same in all. Protein synthesis is a very complex process. In order to understand the process‚ there some basics that are essential for cells to create the proper proteins. DNA is a very long and double-stranded molecule that contains coding‚ through four nitrogen bases (adenine
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Partnership with Plastic Recycling Companies It goes without saying that some recycling measures‚ including setting up of recycling bins‚ have been done by the school to promote recycling of plastic in the campus‚ but we believe that the duty of recycling cannot count on the school solely on account of the limited school resources. In view of this‚ we suggest that the school can ask for partnership with some of the plastic recycling companies in Shantou City. The partnership will be a mutually-beneficial
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Can We Say "NO" To Recycling Dr. Nadia El-Kholy. English 113. Tamer Wadid Shalaby. Final Draft Paper. Lately the earth’s capacity to tolerate exploitation and absorb solid wastes disposal has diminished‚ due to excess trashing. People dispose lots of stuff‚ and simply do not care. Therefore scientists found out a way to reuse things and that process was called "recycling". This new approach seemed quite successful at the beginning‚ until its true identity appeared. Recycling first started as man’s
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2.2 Application of Cu2O nanopowder 2.2.1 Photocatalyst 2.2.2 Solar energy conversion 2.3 Powder formation 2.4 Gas phase 2.4.1 Inert Gas Condensation (IGC) or Gas Phase Condensation 2.4.2 Chemical Vapor Deposition 2.4.3 Laser ablation 2.4.4 Flame synthesis 2.5 Liquid phase 2.5.1 Solvent evaporation method 6 6 7 7 8 9 9 11 11 11 12 12 13 Page ii iii vii viii xii xiii 1 2 3 4 5 pdfMachine iii Is a pdf writer that produces quality PDF files with ease! Produce quality PDF files in seconds and preserve
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CHEM3412 Synthesis of a Porphyrin Porphyrins are hetereonuclear‚ macrocyclic compounds that play an important role in living organisms. Examples include the non-protein heme portion of hemoglobin in animals whereby the lone pairs on nitrogen can bind to the oxygen-carrying iron. In plants‚ chlorophyll uses the vast conjugation to allow absorption of light for photosynthesis. The characteristic colors of porphyrins is also due to the conjugation. An examination of the porphyrin structure
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