Analysis The crude product (aspirin) was purified in the last lab‚ using recrystallization‚ in which we dissolved the crude product with hot ethanol. We then added 25 mL of water until the product reformed (the solution became cloudy white) and redissolved the solid with hot ethanol. The solution was allowed to cool for a week‚ and crystals of purified solid were formed. In order to analyze this purified product‚ we determined the melting point by placing a small sample of the aspirin in a
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Synthesis of Acetaminophen Lab Report Bijal Patel‚ 20467049 Partner: Poojan Parikh T.A.’s: Long Pu CHEM 123L‚ Section: 006‚ Rm: ESC 149 Tuesday February 4‚ 2013‚ 2:30pm-5:20pm Experiment Done: Tuesday January 22‚ 2013 Introduction Acetaminophen was first introduced in 1955 (Richman‚ 2004). It is an over-the-counter drug that relieves pain and reduced fevers. Acetaminophen is considered an alternate to aspirin since it does not irritate the stomach (Richman‚ 2004). It also has very
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Synthesis The idea of gender wage discrimination being widely practiced in the United States today is a difficult concept for many to swallow. With the Equal Pay Act of 1963 and Title VII of the Civil Rights Act of 1964‚ the realization of the existence of the gender wage gap surprises many Americans. These authors bring to the forefront the idea that there is more to the gender wage gap then just companies discriminating against women and minorities. They sight many sources with defined data
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Bankruptcy: Its Prediction and Accounting Indicators One major assumption in accounting is the Going Concern. It states that an accounting entity is viewed as continuing in operation indefinitely‚ thus‚ financial statements are normally prepared in the assumption that the entity will continue its operations for the forseeable future. But then it is inevitable that one shall come to an end. So if there is evidence that the entity’s operations are to be terminated‚ the going concern assumption
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the Twenty-first Century” took a different approach by targeting not everyone but only few saying‚ “…not merely the heights to which some will climb or the difficulties others will endure.” When combining these two statements you can see how they synthesis; In other words‚ the lower class of America will either suffer from being under skilled or replaced by technology‚ while the successful class of America will become known as “The Untouchables”‚ meaning they will be so specialized that they will not
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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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2.4.General procedure for the synthesis of 2‚3-dihydriquinazolin-4(1H) ones derivatives: A stirred mixture of isatoic anhydride (1 mmol)‚ amines containing 2-aminobenzothiazole or 2-amino benzimidazole (1.1mmol)‚ aromatic aldehydes (1 mmol) and 0.045 g of H-ZSM-5 nanozeolite was reacted in an oil bath at 100 oC for the appropriated times. Completion of the reaction was indicated by TLC. After completion of reaction‚ the mixture was cooled to room temperature. The solid residue was dissolved in hot
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Synthesis “The kingdom of heaven is within the mind of a person‚ not within the collective mindlessness of a crowd.” In the articles‚ “The Only True God and Jesus Christ Whom He Hath Sent”‚ by Jeffery R. Holland and “Propaganda under a dictatorship”‚ by Aldous Huxley are two totally different topics. This paper will be a breaking down of the two articles and finding the similarities between the two of them. It will be interesting‚ but nothing is impossible. The two topics are Hitler wanting so
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Summary of Presentation: Fe2+/H2O- mediated synthesis of Melanins: Cases of Homogentisic acid‚ serotonin‚ and norepinephrine The powerpoint presentation that I attended was titled‚ “Fe2+/H2O- mediated synthesis of Melanins: Cases of Homogentisic acid‚ serotonin‚ and norepinephrine‚” the research covered melanin which is a dark pigmentation that can cause other complication and pathological conditions such as‚ vitiligo and ochronosis. It is believed that melanin protects from ultraviolet light rays
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“ceteareth” and “oleth”. Most commonly‚ 1‚4-dioxane is found in products that create suds‚ like shampoo‚ liquid soap and bubble bath. Environmental Working Group’s analysis suggests that 97 percent of hair relaxers‚ 57 percent of baby soaps and 22 percent of all products in Skin Deep may be contaminated with 1‚4-dioxane [1]. Independent lab tests co-released by the Campaign for Safe Cosmetics in 2007 showed that popular brands of children’s bubble bath and body wash contained 1‚ 4-dioxane HEALTH CONCERNS:
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