Ethanol

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    Carbon Chain Hypothesis

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    flame length. The results collected when testing the length of the carbon chain affecting energy output partially indicates that as the length of the carbon chain increased there was a reduction in flame size. The results above stipulate that when ethanol (C_2 H_6 OH) is burned it produced a greater flame length with an average of 7cm then Butanol (C_4 H_9 OH) with an average of 5cm and Hexanol (C_6 H_14 OH) with an average of 5.33cm which produced significantly lower averages due to the less…

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    Nitric Acid Synthesis

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    The formation of benzilic acid results from the reaction of benzil with ethanol and potassium benzilate. In order to produce benzil, benzoin was reacted with nitric acid. A crude product of benzil was produced from the reaction of benzoin and nitric acid. Through the process of multi-step synthesis, benzil was produced through the oxidation of an alpha-hydroxyketone to an alpha-diketone using nitric acid. Prior to the reaction of nitric acid and benzoin, nitric acid was protonated to form an…

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    glycerol was produced on an industrial scale. The glycerol production involved the sulfite-steered yeast process. Yeast fermentation to produce glycerol has been known since Louis Pasteur’s era in 1858. During World War II the glycerol produced from ethanol fermentation was not enough because of its low yield, thus chemical synthesis was used. Multiple methods were created by many researchers to create a more efficient method of glycerol production. There are three processes in the production…

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    carboxylic acid and alcohol. 95% ethanol and glacial acetic acid are synthesized with the presence of concentrated sulfuric acid using Fischer Esterification method. It is a method which esters are obtained by refluxing the parent carboxylic acid with the appropriate alcohol with an acid catalyst. The equilibrium can be driven to completion by using an excess of either the alcohol or the carboxylic acid, or by removing the water as it forms. The reaction between ethanol and glacial acetic acid…

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    TiV photocatalyst was prepared by sol–gel method using tetra-n-butyl titanate as the precursor. Solution A was prepared by dissolving 17 mL TBT in 30 mL anhydrous ethanol with stirring (300 rpm) for 30 min. The other solution that contained 28.35 mL anhydrous ethanol, 7.25 mL deionized water and 20 mL 3 M acetic acid was slowly added into the above solution with magnetic stirring at room temperature. The prepared mixture was further hydrolyzed for 60 min with stirring until the transparent sol…

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    remove the liquid- do this step three times. Then remove the crystals using a Hirsch funnel and recrystallize it using a mixture of 70:30 ethanol and water. Add a boiling stone to help with boiling and place tube in steam bath till solid is dissolved. Once solid is dissolved allow mixture to cool and remove crystals via filtration, wash crystals with 70% cold ethanol, calculate percent yield, and perform IR. The experimental melting point of dibenzalacetone was 95-100°C and its literature…

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    until the orange/red color disappeared or was less intense. After, the solution was cooled in an ice water bath. Once crystals formed, the solution was filtered using a funnel. The product was then recrystallized from 95% ethanol and water. In order to do this, the amount of ethanol used was multiplied by 0.8 and the calculated amount was the amount of water used for the recrystallization process. The dried purified product was weighed and the percent yield was calculated. With this product, the…

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    Hello everyone! Today, I’ll be excitedly speaking to you about my absolute favorite alcoholic beverage…wine! Also, I intend to educate by sharing information about some of the unknown benefits of aerating wine. Aerating certain wines will reduce ethanol and sulfites, help to remove sediment, and enhance the flavor profile, texture, and aromas (Smith, 2015). In my drinking years, I have consumed countless bottles of wine, and there are significant differences in aerated wine. Wines that have…

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    than aerobic cellular respiration. There are two types of fermentation-lactic acid fermentation and alcoholic fermentation. In this experiment, the main focus will be on alcoholic fermentation. Alcoholic fermentation results in the production of ethanol and carbon dioxide. The carbon dioxide produced is evident in the form of bubbles. This type of fermentation is presented in experiments using Saccharomyces cerevisiae, or baker’s yeast. Saccharomyces cerevisiae is a form of unicellular fungi…

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    Chalcone and Pyrylium Syntheses and Analyses Done by: Natalie Almond & Sophie Troyer in approved collaboration Introduction Photoredox catalysis uses light to excite the catalytic compounds, producing an effective oxidizing agent.1 The oxidizing agent can remove an electron from the desired compound for reaction, making it easier to synthesize molecules.1 One example of the utility of photoredox catalysis is the “production of lignan cyclobutanes,” which have many important pharmaceutical…

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