• Use of Extraction to Isolate a Neutral Compound from a Mixture Containing an Acid Impurity.
    purpose of this lab was to separate and purify a compound. This was achieved using techniques that allowed the extraction of the acid, the isolation of the neutral compound and the melting point classification of the neutral compound to test the purity of the sample. Chemical Reactions: HA + OH- ...
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  • Chm 556
    carboxylic acid, carboxylic acid derivatives and amines. Write, explain and solve problems related the reaction mechanisms for nucleophilic addtition of carbonyl compounds and nucleophilic acyl substitution of carboxylic acids and their derivatives. Develop synthetic methods for preparations of various...
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  • Chemistry
    monomer. Other than its direct use as a monomer, it can be broken down and converted into lipids and amino acids. It is also a precursor for the synthesis of other important molecules like ascorbic acid. Glucose consists of six carbon backbone which can arrange as a straight chain or, more commonly, form...
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  • Study of Sterospecificity in Mushroom Tyrosinase
    thiourea, cinnamic acid and benzoic acid BIOL/BIOC 393 L03 Dr. Judit Moldovan Submitted: Nov. 22nd, 2010 By: Jackie Minnick (Partners Amanda Verwoerd & Kersti Ojamaa) Study of stereospecificity in mushroom tyrosinase and the inhibiting effects of thiourea, cinnamic acid and benzoic acid. Jackie Minnick ...
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  • Grignard Reagent
    Organometallics 2009, 28, 1598–1605 CoVer Essay The Grignard Reagents Dietmar Seyferth Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 ReceiVed February 4, 2009 During the past 100 years the Grignard reagents probably have been the most widely used organometallic...
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  • Computer Programmer
    ELEMENTS P-BLOCK ELEMENTS D & F BLOCK ELEMENTS COORDINATION COMPOUNDS HALOALKANES & HALORENES ALCOHALS, PHENOLS & ETHERS ALDEHYDES, KETONES & CARBOXYLIC ACID ORGANIC COMPOUNDS CONTAINING NITROGEN BIOMOLECULES POLYMERS CHEMISRY IN EVERDAY LIFE 4 3 3 8 5 3 4 4 6 4 MARKS 4 5 5 5 4 3 TOTAL 70 Unit-I...
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  • Chem 18.1 Experiment 5 Fwr
    type of substance with comprise buffer solutions and identify buffer solutions. The significance of the study is to know the effect of adding strong acids or bases to buffer solutions especially that of the body. Part A determines the effect of common ions to the extent to ionization wherein certain reagents...
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  • Potlick
    _____________________________________________________________________________ Pre-lab preparation. (1) Read the supplemental material from Zubrick, The Organic Chem Lab Survival Manual. (2) Draw the structure of acetanilide and report relevant physical data. Be sure to cite the source of the data. You should...
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  • Biology Lab
    101 3. Protein metabolism .............................................................. 104 V. Titrimetric methods of quantitative determination, Preparation of varioussolutions used in Titrimetric analysis .............. 109 VI. Liver function tests ......................................................
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  • Chemistry
    condensation. The Benzoin condensation is catalysed using the vitamin thiamine and is a classic example of nucleophilic catalysis. The mechanism of the reaction is outlined below. Vitamin B1, thiamine, as its pyrophosphate derivative (shown below), is a coenzyme universally present in all living systems. It...
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  • Benzocaine
    Experiment # 45: Benzocaine Abstract The local anesthetic, benzocaine, was synthesized via the esterification of p-aminobenzoic acid with ethanol. The percent yield of crude product was determined to be 21% and the melting point was recorded at 86.2°C ± 0.2°C, with a 6.3% error from 92°C, the...
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  • Chem lab
    Lab report Introduction- An ester is “any class of often fragrant organic compounds that can be represented by the formula RCOOR′ and that are usually formed by the reaction between an acid and an alcohol with elimination of water.” We set out to create these esters on our own by combining acids...
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  • Chemical Reactions
    inclined to play in the scientific drama staged by the multitude of chemical reactions that define organic chemistry. We begin by defining some basic terms that will be used frequently as this subject is elaborated. Chemical Reaction: A transformation resulting in a change of composition, constitution and/or...
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  • Organic Chemistry 2 Study Guide
    that are products of the following reactions: a. Grignard reaction including identification of the nucleophile. b. Conversion of nitriles into carboxylic acids and acid derivatives c. Diels-Alder reactions d. Reduction of aldehydes and reagents used for that reaction. e. Fischer esterification including...
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  • Chemisty
    CHEM 2423 Extraction of Benzoic Acid Dr. Pahlavan EXPERIMENT 6 - Extraction Determination of Distribution Coefficient Purpose: a) To purify samples of organic compounds that are solids at room temperature b) To dissociate the impure sample in the minimum amount of an appropriate hot solvent Equipment...
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  • Extraction
    Charles W. Virgill Organic Lab Report Extraction Separation of a Carboxylic Acid, a Phenol, and a Neutral Substance Purpose The objective of the experiment is to identify the three substances in the mixture and to determine the percent recovery of each from the mixture. The unknown...
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  • Determination of Reducing Sugars Using Dns
    monitored. One method to determine the sugar concentration of reducing sugars is by heating with 3,5 dinitrosalicylic acid(DNS) which produce a red-brown product Miller(1959)The reaction is direct,thus the method is preferred over the Benedict’s test method. The concentration of the coloured complex...
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  • Exam Review
    Cu(NO3)2(aq) + 2NO2(aq) + 2H2O(l) * Redox reaction Reducing reagent=Cu and Oxidizing reagent=HNO3 * Copper and 10mL of concentrated nitric acid (HNO3) * reaction carried out in the fume hood, brown gas given off * swirl the reaction mixture to remove any gases trapped in the solution ...
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  • Chemistry
    electronegativity, orbital hybridization, nomenclature, resonance and isomerism, as well as organic reactions mechanisms (C4, CTPS) 2. to conduct experiments that demonstrate the characteristic reactions of important functional groups of organic compounds (P4) 3. interact and work together as a group,...
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  • Organic Chemistry Non Major Course Outline
    laboratory techniques. Contents include the basic chemical bonding theory; nomenclature of organic compounds; basic organic reactions; mechanisms of the basic organic reactions; organic synthesis and applications of organic chemistry in industry: polymers, petrochemicals, sugars, proteins and pharmaceutical...
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