"Spectrophotometric determination of acid dissociation constant of methyl red" Essays and Research Papers

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    Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 Report No. 77 ACETONE‚ METHYL ETHYL KETONE AND METHYL ISOBUTYL KETONE by SHIGEYOSHI TAKAOKA May 1972 A private report by the PROCESS STANFORD ECONOMICS RESEARCH INSTITUTE PROGRAM I MENLO I PARK‚ CALIFORNIA Acetone‚ MEK and Methyl Isobutyl Ketone‚ May 1972 CONTENTS a 1 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . 1 2 SUMMARY 3 3 4 5 . . . . . . . . . . . . . . . . . . . . . . . . . . Acetone .............

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    Change Is Constant

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    ACF 100: Business Environment Coursework Assignment 3: “Share Price Group Project” Introduction Hero Honda is a two wheeler producing company which is based in India. The company had started back in 1984. As the name suggests‚ it is a joint venture between India’s hero groups and Japanese Honda Motors Corporation. It is the largest two wheeler producer in the country. In Indian market‚ the two main competitors of Hero Honda are Bajaj Motors and TVS Motors. Hero Honda has

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    Exp’t 84 Synthesis of Methyl Benzoate by Fisher Esterification from K. L. Williamson‚ Macroscale and Microscale Organic Experiments‚ 2nd Ed. 1994‚ Houghton Mifflin‚ Boston p385 Revised 10/15/03 Prelab Exercise: Give the detailed mechanism for the acid-catalyzed hydrolysis of methyl benzoate. Introduction: The ester group is an important functional group that can be synthesized in a number of different ways. The low-molecular-weight esters have very pleasant odors and indeed are the major components

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    salicylic acid

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    Synthesis of Salicylic Acid Experimental Data: 1. Mass of methyl salicylate used: 0.232 g 2. Theoretical yield of salicylic acid: 0.211 g 3. Volume H2SO4 added‚ with units (drops or mL): 3mL 4. Mass of crude salicylic acid obtained: 0.250 g 5. Volume of water used as recrystallizing solvent: 2 mL 6. Mass of purified salicylic acid: 0.134 g 7. Percent yield of purified salicylic acid from reaction: 63.5% 8. Melting point of purified product: 158-160 oC 9. Name of NMR solvent used and

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    Determination of Aspirin

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    Reshmi Nair Title: Determination of Aspirin through back titration. Aim: To determine the concentration of Aspirin in a tablet using NaOH and Hcl. Research Question: What is the concentration of Aspirin in a normal tablet? Background: Aspirin is the general name for acetylsalicylic acid (ASA); it is also the trademark of the drug produced by Bayer in Germany. In eighty countries‚ aspirin is a registered trademark‚ but in other places the term aspirin refers to ASA by itself or as an ingredient

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    purpose of this experiment is to synthesize methyl nitrobenzoate from methyl benzoate‚ concentrated HNO3‚ and concentrated H2SO4 via an electrophilic aromatic substitution reaction. Reaction Procedures/ Observations Use a 50 ml beaker to cool about 6 ml of concentrated sulfuric acid in an ice water bath. Weigh the vial containing about 3 grams of methyl benzoate and add it to the cooled sulfuric acid. Next pour about 2 ml of sulfuric acid to the nitric acid in the vial and allow for it to cool

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    Determination of Pka

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    Determination of pKa James McDuffie ABSTRACT: In this lab‚ the pKa of unknown solution #4 was measured Introduction: This lab focused on the equilibrium constant‚ Ka. Ka is associated with chemical properties of acids. The equivalence point will be reached once the moles of OH- equal the moles of HA and once this point is reached‚ the PH changes very quickly. With the results‚ a titration curve should be produced. Experimental Section Materials and Methods: A buret with NaOH solution

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    2-((6‚8-dibromo-2-(4-chlorophenyl)quinazolin-4-yloxy)methyl)-5-methyl-1‚3‚4-oxadiazole (IX) : A mixture of the hydrazide VII (0.01 mol) and acetic anhydride (30mL) was refluxed for 6h. The precipitated solid formed upon cooling‚ was filtered and recrystallized from ethanol‚ m.p. 155oC‚ 80% yield. Analysis calculated for C18H11Br2ClN4O2; Calcd.: %C‚ 42.34; H‚ 2.17; N‚ 10.97‚ Found: % C‚ 42.30; H‚ 2.14; N‚ 10.90. IR: υmax./cm-1 3000 (C-H aromatic)‚ 1610 (C=N) and at 1600 (C=C). 1H-NMR (DMSO-d6‚ ppm):

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    Nitration of Methyl Benzoate Date of Completion: February 29‚ 2012 Date Report Submitted: March 14‚ 2012 Objective of Experiment: The purpose of this experiment is was to synthesize methyl 3-nitro benzoate from methyl benzoate through an electrophilic aromatic substitution reaction. Chemical Equation: Materials: Name of Compound Molecular weight MP/BP Grams Used Moles Used Methyl benzoate 136.16 g/mol -12.5 OC /199.6 OC 0.28g 2.056*10-3 Sulfuric acid 63.01 g/mol 10 OC /337OC 0

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    Serina Pooja Sowman | Practical 7: Determination of Hardness in Water | | | | | 10/3/2012 | | Aim: To determine the different types of hardness and alkalinity found in the water by titration methods. This is used to calculate the concentrations of calcium and magnesium found in the water. Principles: The hardness of water is determined to provide a measure of the quality of water for household and industrial use. Hard water is not a health hazard. Drinking hard water

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