Solvents used were water‚ methanol‚ n-butanol‚ ethylene glycol‚ acetone‚ hexane‚ toluene‚ ethyl acetate‚ and dichloromethane. Then added to the vials was 0.5 mL of isooctane in each one. The vials were then swirled and observed to determine solubility. In part two of the experiment‚ 0.5 mL of concentrated sulfuric acid was added into two sample
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I found that among mentioned substances acetone and ethylene glycol are soluble in water‚ therefore we can say that they are polar substances. Besides‚ I observed that biphenyl‚ butyl acetate‚ glycerol and motor oil are nonpolar substance. These compounds were soluble in hexane. Meanwhile‚ magnesium oxide and sodium bromide did not dissolved in either water nor in hexane. Moreover‚ Iodine and aspirin acted different than what I expected
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in which water is removed. This allows for an ester bond to form in the second carbon of the isopentyl acetate (banana oil). Esterification of the acetic acid with isopentyl alcohol is the reaction‚ which prepared the banana oil . The ultimate goal of this experiment to synthesize the artificial flavoring This experiment will performed into several important steps such as simple distillation‚ liquid/ liquid extraction and heating reflux. The extraction is one of the methods that is using in
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Introduction Metallic yarns or threads‚ in general‚ have been known for more than 3000 years. Gold and silver were hammered into extremely thin sheets‚ then cut into ribbons and worked into fabrics. These were the first ‘man made’ fibres‚ which came thousands of years before nylon or rayon. The Persians made fabulous carpets with gold thread and the Indians‚ ornamental sarees with it. The metal threads were twisted‚ doubled or wrapped around some other thread such as cotton. With the advancement
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as the solution cools and begins to come out of the solution. The acetylsalicylic acid is further purified through recrystallization with ethyl acetate. MATERIALS USED: Test Tubes Pasteur Pipette Salicylic acid acetic anhydride Sulfuric acid 125 mL Erlenmeyer flask Scale Water Hot water bath Ice Bath Buchner Fünnel 1% Ferric Chloride Ethyl acetate Glass Rod Iodine Aspirin Tablet Commercial Aspirin tablet METHODS Part A 1. 2.0 g of salicylic acid was placed in a 125 mL Erlenmeyer
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Diels-Alder reaction with the combination of furan and maleic anhydride. Equation: Procedure: Part 1 In a flask equipped with a septum side arm and topped with distillation heat and a thermometer add 2.5ml of mineral oil. Heat the oil. At the end of the distillation heat place an ice filled beaker. When the oil reaches 250°C inject 0.6ml of dicyclpentadiene drop wise through
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3 1.23 NaCl 58.44 1 800.7 36 H2O 18.02 1 0.0 1.00 Experimental procedure: Aspirin (1.30 g ‚ 0.00722 mol)‚ Caffeine (0.00666 g‚ 0.000350 mol) and Salicylamide (0.390 g‚ 0.00284 mol) were combined in a 100 mL beaker. To this beaker‚ ethyl acetate (20 mL) and saturated NaHCO3 (10 mL) were added. The organic and aqueous layers were allowed time to separate before the organic layer was removed and put aside. An additional portion of NaHCO3 solution (10 mL) was added and the separation was
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CHAPTER ONE 1.0 INTRODUCTION This report is a practical experience acquired by me in the course of my industrial training at Druckfarben Nigeria Limited (DFN) under the student industrial work experience scheme (SWIES). In the earlier stage of science and technology education in Nigeria‚ students were from their respective institutions without any technical knowledge or working experience. It was in this view that students undergoing science and technology related courses were mandated in different
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Myristic acid (tetradecanoic acid) NATURE/MECHANISM OF REACTION: The temperature range should be between 56-57 °C. The organic solvents that were used in the experiment were diethyl ether‚ methylene chloride and ethyl acetate. It is advised to know that when ethyl acetate and water are mixed‚ the water will eventually separate into two distinct phases. Theoretical Yield‚ Percent Yield and Discussion: The weight of the product is determined to be 0.78g The weight of the mixture
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