through the Fisher esterification method by combining isopentyl alcohol with acetic and sulfuric acid then heating the mixture under reflux for an hour. Esterification is a chemical reaction in which two reactants (an alcohol and an acid) form an ester as the reaction product. Observations and Data: When the sulfuric acid was combined with the isopentyl alcohol and acetic acid‚ the mixture turned red (due to residue of another chemical remaining on glassware). During the wash of the organic
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appears in the footer at the bottom of the document. If it does not‚ please download a new copy of the start file from the SAM Web site. (Note: Do not edit the footer at the bottom of the document.) 2. Type the following return address: Polly Ester Pennywell Family Practice Clinic 2278 Norwood Place Middleton‚ WI 52247 3. Press the Enter key twice‚ and then type September 5‚ 2013 as the date. (Hint: There should now be exactly one blank line between the return address and the date
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mine drainage Advanced treatment Wastewater renovation and conservation cycle Water pollution Pollution Reclaimed water Nonpoint sources 3: Questions to Consider: What is the principal cause of cultural eutrophication? If MTBE (methyl tert-butyl ether) has such an impact on groundwater‚ why is it added to gasoline? If sediment is from natural sources‚ why is it considered a water pollutant? Saltwater intrusion results from The level of decaying organic matter in water is indicated by what
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formation‚ reductive amination (rxn only)‚ ketal/acetal formation‚ dithiane chemistry (rxn only)‚ alpha-bromination of ketones‚ -COOH properties (the trends on HW4)‚ Fischer‚ acidic/basic hydrolysis of esters/amides/nitriles‚ CH2N2‚ acid chloride formation (rxn only)‚ acid chloride rxns with esters and amides. 2 Rxn of carboxyllic acid derivatives w/organometallic reagents‚ Cuprate preparation and rxn‚ Reduction of carboxyllic acid derivatives‚ basic/acidic aldol rxn (dimerization‚ cross aldol
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(glycerides) and methanol are combined with sodium hydroxide as a catalyst. This causes the oils to break apart and reaction of the oils with the methanol. As seen in Figure 1‚ this produces biodiesel (in the form of esters) and glycerol. Figure 1: The production of biodiesel (esters) from glyceride (cooking oils) and an alcohol (methanol). In combustion‚ a substance can be completely or incompletely combusted. In complete combustion‚ a fuel is combined with oxygen to produce water and carbon dioxide
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powder form of aspirin‚ the process of crystallization was conducted and was run through vacuum filtration. After running through the help of an electronic instrument‚ the result that was achieved in this experiment was met due to the presence of esters in the graph in Figure 5; with a peak of 1297.89 at 1300-1100. There is also a match of 35.48 with ethyl salicylate. The objective‚ which is to create aspirin‚ has been completed due to the results shown by the data provided by an electronic instrument
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3. Results and discussion 3.1 Nutritional analysis In the present study‚ the potential benefits were shown by nutritional attributes of dried bathua (Table1). Moisture content and dry matter analysis‚ reporting during nutritional analysis is very important because it directly affects the nutritional content of vegetable. The moisture content was quite low (5.06%) which may be advantageous in view of increasing the sample’s shelf life. Bathua was found to be rich in carbohydrates (40.84%). There
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GRADE 11 CHEMISTRY (30S) Final Practice Examination Answer Key GRADE 11 CHEMISTRY (30S) Final Practice Examination Answer Key IInstructions The final examination will be weighted as follows Modules 1–3 Modules 4–6 The format of the examination will be as follows: Part A: Fill-in-the-Blanks Part B: Multiple Choice Part C: Short Answer Total Marks Include units with all answers as required. Useful Information You will need the following in order to complete this examination: n n n n 15–20% 80–85%
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#1 (3)NMRQuestion 1 1 / 1 point Equivalent protons in a molecule will result in one NMR signal. How many NMR signals would you predict for each of the following molecules? __1__ benzene __2__ 3-pentanone __4__ toluene __3__ ethanol __2__ t-butyl methyl ether 1. 1 2. 2 3. 3 4. 4 Question 2 1 / 1 point A compound to be analyzed by NMR should be dissolved in a solvent. Clearly the solvent should not have an NMR signal in the spectral area you are trying to analyze. Which solvents are
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Name of your school College Computer Science Department Address of school February 18‚ 2012 HON. Ester sample name Municipal Mayor Municipality of Place Province of Place ATTENTION: Mr. Leo sample name Municipal Budget Officer Dear Madam‚ Good day! Technology has been changing so fast. Almost all establishments adopts with every change of it‚ to cope with its market demands. Like private businesses‚ we believe that government agencies must
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