Synthesis of Methyl Salicylate from Aspirin Esters are a class of organic compounds. An ester compromises an organic or inorganic acid in which one or more hydroxy (OH) groups have been replaced by and alkoxy (O-alkyl) group. For example‚ the simplest ester‚ methyl formate (CHOOCH3)‚ is made up of formic acid (CHO-OH) in which the hydroxyl group has been replaced by a methoxy group (-OCH3). Similarly‚ ethyl acetate (CH3CO-OCH2CH3) is made up of acetic acid (CH3CO-OH) in which the hydroxy group
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reactions which is strong acid-weak base titration and weak acid-strong base titration will be investigated. Materials Chemicals 0.1M Hydrochloric acid‚ 0.1M acetic acid‚ 0.1M sodium hydroxide‚ 0.1M ammonium hydroxide‚ phenolphthalein‚ screened methyl orange‚ methyl orange Apparatus 100mL Beakers‚ 250mL Conical flasks‚ 50mL Burettes‚ 25mL Pipettes‚ Pipette fillers‚ Funnels‚ pH meters Procedure The experiments are carried out according to the procedures that stated in Experiment (1): Investigation of the
Free PH indicator Titration PH
Angostura Aromatic Bitters’ marketing plan Table of Contents 1. Executive Summary 3 1.1 Synopsis of the Situation 3 1.2 Key aspects of the marketing plan 5 2. Environmental analysis 6 2.1 Strengths and weaknesses 8 2.2 Opportunities and threats 9 2.3 Current objectives and performance 11 2.4 Five forces’ Porter analysis 11 3. Marketing Strategy 13 3.1 Segmentation 13 3.2 Target Market 14 3.3 Positioning (Value Proposition) 15 4. Marketing Programs 16 4.1 Product 16 4.2 Pricing 17 4.3 Promotion
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Abstract By adding HCl to 2-methyl-2-butanol‚ through the Sn1 mechanism‚ 2-chloro-2-methylbutane is formed. Water‚ sodium bicarbonate and NaCl(aq) were then added to the 2-chloro-2-methylbutane to remove any of the excess water from the reaction. To confirm‚ a successful reaction‚ AgNO3 was added to the 2-chloro-2-methylbutane. A white precipitate formation confirmed a successful Sn1 reaction. Introduction Nucleophilic substitution reactions such as Sn1 and Sn2 allow us to convert one functional
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properties. To obtain such a pure compound‚ the compound we want must be separated from its other natural components‚ which can be done by manipulating physical and chemical properties. Panacetin contains sucrose‚ aspirin and an unknown which can be acetanilide or phenacetin in which phenacetin was created and weighed. Introduction In this lab our basic goal was to make the sucrose‚ aspirin and unknown that are formed from pharmaceutical panacetin. In doing this lab we used NaOH and diethyl either‚ along
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or tertiary (3° ). If the OH is bonded to only one other carbon‚ it is a primary alcohol (eg. 1-butanol); if bonded to two other carbons‚ it is a secondary alcohol (eg. 2-butanol); if bonded to three other carbons‚ it is a tertiary alcohol (eg. 2-methyl-2-propanol). Due to the placement of the hydroxyl functional group in each of the degrees of alcohol‚ the reactivity of each should be impacted. This means that all three alcohols should have a different level of reactivity. The hydrogen atom
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name for A) 3-Methyl-4-hexyne B) 4-Methyl-2-hexyne C) 2-Ethyl-3-pentyne D) 4-Ethyl-2-pentyne E) 3-Methyl-2-hexyne 3. What is the IUPAC name for this compound? A. cis-1-ethyl-2-methylethene B. trans-2-pentene C. 1-methyl-butene D. trans-methylbutene E. cis-2-pentene *4. A correct IUPAC name for the following compound is: A) 3‚6‚7-trimethyl-4-bromo-1-octene B) 4-bromo-3-methyl-6-isopropyl-1-heptene
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HEALTH HAZARDS OF THE DYE INDUSTRY . The first step in prevention of poisoning in the dye industry includes well-ventilated‚ properly equipped buildings. Selection of workmen is important and the use of the best methods in manufacturing. These investigations‚ which are based on 2‚500 employees‚ whose blood was tested periodically‚ yield some minor diagnostic material. The hazards of the dye industry are those connected with any industry plus the poisonous chemicals necessarily handled in the
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These polymers can be viewed as either PE with exclusively methyl branching‚ or copolymers of ethylene and propylene. These materials were synthesized in two forms: (1) homopolymers having methyl branches at precise increments‚ and (2) random copolymers with 1‚9-decadiene with a statistical distribution of methyl branches along the PE backbone. The thermal properties of these two materials are distinctly different. The precisely spaced methyl-branched ADMET polymers display a much sharper melting transition
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alternative decolorizers in Gram Staining bacteria. Kamias (Averrhoa bilimbi) has a high oxalic acid content‚ fruit used to remove stains from clothing and for washing hands‚ removing rust and stains from metal blades. Dalandan (Citrus aurantium) is an aromatic variety of citrus that produces highly bitter‚ acidic fruits. Escherichia coli‚ a gram-negative bacillus that will appear as blue or violet when Gram stained‚ because it has a thick cell wall that prevents the primary dye (crystal violet) from
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