Theory Melting Point Of Recrystallized Benzoic Acid Essays and Term Papers

  • Recrystallization and Melting Points Determinantion of Benzoic Acid

    and Melting Points Determinantion of Benzoic Acid Abstract In experiment 2, recrystallization was used to purify the crude benzoic acid extracted from a mixture during experiment 1. Then a percent recovery for this recrystallization process was calculated. In experiment 3, the melting point ranges...

    Premium | 2404 Words | 7 Pages

  • Recrystallization of Benzoic Acid

    Abstract The objective of this experiment was to observe multi-step purification of benzoic acid after performing the extraction from a mixture containing benzoic acid, cellulose, and methyl orange. Recrystallization was done to remove impurities from the sample. The amount of BA recovered during recrystallization...

    Premium | 1920 Words | 6 Pages

  • crystallization

    Laboratory I – Summer 2013 Lab 32: Crystallization of Benzoic Acid You will learn and apply the technique of crystallization for the purification of a crude or impure organic substance. You will also learn more about the technique of melting point determination to characterize the identity of an organic...

    Premium | 1363 Words | 5 Pages

  • Aspirin (Acetylsalicylic Acid)

    Aspirin (Acetylsalicylic acid) Introduction: In this experiment I will synthesize Aspirin (Acetylsalicylic acid). This process will involve an esterification reaction among 2 reactants; salicylic acid and acetic anhydride. This reaction is an acid catalyzed acetylation reaction. The product is crude...

    Premium | 1805 Words | 8 Pages

  • Organic Chem

    Organic Lab I No. 5-6 Separation of a Carboxylic Acid, a Phenol, and a Neutral Substance (Two-week lab) Reading Assignment 1) Chapter 7 • Introduction: P. 135- first paragraph • Theory and Techniques (p142-145) o Properties of Extraction Solvents ...

    Premium | 938 Words | 5 Pages

  • Experiment on Isolating a Neutral Compound from a Mixture Containing an Acid Impurity

    organic chemistry practical course which reinforce the theory and concepts studied in Organic Chemistry 1 (CHM456). It covers the learning of simple laboratory techniques such as reflux, distillation, extraction, crystallization and melting point determination, preparations of organic compound and separation...

    Premium | 2253 Words | 9 Pages

  • Rise of Han

    Lastly, melting point experiments and thin layer chromatography were used to compare the purity of each component. Procedure **** See class packet 3.010 grams of the mixture consisting of crude benzoic acid, p-nitroaniline and benzil was weighed out. P-nitroaniline was not recrystallized as was...

    Premium | 1205 Words | 5 Pages

  • Recrystallization and Melting-Point Measurement Identifying a Constituent of “Panacetin”

    Summary Purpose To purify the component (unknown) of Pancetin from last experiment and then compare its melt point to the two other possible substances. Theory Panacetin should be made up of about 50 percent of the unknown component that we previously separated out of Panacetin for testing. We...

    Premium | 607 Words | 3 Pages

  • Crystallization of Benzoic Acid

    Crystallization of Benzoic Acid Purpose: The purpose of this experiment is to purify benzoic acid by crystallization. Procedure: 1. 0.5g impure benzoic acid was placed in a 50mL Erlenmeyer flask. 15mL of water was added and the mixture was heated to a boil on a hot plate. 0.5mL of water was added...

    Premium | 557 Words | 2 Pages

  • Nitration of Methyl Benzoate

    Sulfuric acid to yield methyl m-nitrobenzoate. The product was then isolated and recrystallized using methanol. This reaction is an example of an electrophilic aromatic substitution reaction, in which the nitro group replaces a proton of the aromatic ring. Following recrystallization, melting point and infrared...

    Premium | 910 Words | 4 Pages

  • Crystallization

    and Melting Point Determination | | | | | | | Introduction: The purpose of this lab is to use the crystallization technique, which is a purifying technique. It allows one to purify a substance for further analysis such as in spectroscopy, crystal growth, or melting point determination...

    Premium | 1377 Words | 4 Pages

  • Chem 31.1 Experiment 2 Recrystallization and Melting Point Determination of Benzoic Acid

    RECRYSTALLIZATION AND MELTING POINT DETERMINATION OF BENZOIC ACID ANSWERS TO QUESTIONS 1. How does the use of fluted filter paper hasten filtration? Why is it advisable to place a small piece of wire between the funnel and the mouth of the flask during hot filtration? Fluted filter paper is effective...

    Premium | 485 Words | 2 Pages

  • Benzocaine

    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 literature melting point of pure benzocaine. The crude product was then recrystallized to improve the purity of...

    Premium | 1611 Words | 6 Pages

  • Recrystallization of Benzoic Acid

    Recrystallization of Benzoic Acid Objective To purify benzoic acid by recrystallization and gain experience with a basic organic laboratory techniques. Background Products of chemical reactions are often contaminated with impurities. One method for purifying chemicals, recrystallization, takes...

    Premium | 743 Words | 3 Pages

  • Exp 3 Synthesis Of Aspirin Formal Lab Report

     Experimental Synthesis of Aspirin and Melting Point Purity Analysis Donald Yeargin CH 222, Section 24221 Department of Chemistry Portland Community College Portland, OR Abstract The various methods available to synthesize aspirin lead to the need to examine and evaluate production efficiency...

    Premium | 2469 Words | 9 Pages

  • Benzoic Acid

    EXPERIMENT 2: Recrystallization and Melting Point Recrystallization (or Crystallization) is a technique used to purify solids. This procedure relies on the fact that solubility increases as temperature increases (you can dissolve more sugar in hot water than in cold water). As a hot, saturated solution...

    Premium | 1714 Words | 6 Pages

  • Grignard Reaction

    lab manual should be sufficient. Data Table: The Grignard Reaction |Reagents |MW (g/mol) |Amount used |Lit. Melting Point |Mol used |Mol equivalent | | | | |((c) | ...

    Premium | 1185 Words | 4 Pages

  • Preparation of Methyl M-Nitrobenzoate

    Preparation of methyl m-nitrobenzoate by nitration using methyl benzoate, nitric acid, and sulfuric acid Aileen Quintana TA: Sijie Tues/Thurs 11:50 42067 Introduction: The purpose of this lab was to explore the concepts of electrophilic aromatic...

    Premium | 870 Words | 4 Pages

  • Lab 23

    mixture by process of recrystallization, and to compare melting points of recrystallized and impure acetanilide. It would be beneficial to have prior understanding of how to measure mass in milligrams, volume in milliliters, and to measure melting points. Organic compounds that are synthesized in lab or...

    Premium | 1923 Words | 6 Pages

  • Extract

    that have acidic or basic functional groups, such as carboxylic acids, phenols (acidic) and amines (basic), one can exploit the different solubility properties of their protonated and non-protonated forms. For instance, an organic acid is often insoluble in water but soluble in a less polar organic solvent...

    Premium | 1862 Words | 6 Pages