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Farines, Marie | 1 |
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Pinnick, H. R., Jr. | 1 |
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Peer reviewed
Farines, Marie; And Others – Journal of Chemical Education, 1988
Explains that triglycerides consist of a mixture of different compounds, depending on the total number of fatty acid constituents. Details the method and instrumentation necessary for students to analyze a vegetable oil for its triglyceride content. Describes sample results. (CW)
Descriptors: Biochemistry, Chemistry, College Science, Graduate Study
Peer reviewed
Shoulders, Ben; Welch, Steven C. – Journal of Chemical Education, 1987
Introduced is a method for estimating carbon-13 nuclear magnetic resonance (NMR) shifts. The method is brief and simple so that students can use it with ease. (RH)
Descriptors: Chemistry, College Science, Laboratory Procedures, Organic Chemistry
Peer reviewed
Smith, Robert L.; Pinnick, H. R., Jr. – Journal of Chemical Education, 1980
Describes an undergraduate physical chemistry experiment which demonstrates the principles of solution calorimetry and the entropy titration technique. (CS)
Descriptors: Chemical Equilibrium, College Science, Higher Education, Laboratory Procedures
Peer reviewed
McGarvey, J. E. B.; Knipe, A. C. – Journal of Chemical Education, 1980
Provides a list of the reactions commonly used for introductory kinetics studies. These reactions illustrate the kinetics concepts of rate law, rate constant, and reaction order. Describes a kinetic study of the hydrolysis of 3-bromo-3-phenylpropanoic acid which offers many educational advantages. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed
Watkins, Kenneth W.; Olson, June A. – Journal of Chemical Education, 1980
Describes a physical chemistry experiment that allows students to test the effect of ionic strength on the rates of a reaction between ions. The reduction of hexacyanoferrate III by ascorbic acid is detailed. Comparisons with the iodine clock reaction are made. (CS)
Descriptors: Acids, Chemical Reactions, Chemistry, College Science
Peer reviewed
Gillois, J.; And Others – Journal of Chemical Education, 1980
The synthesis of 1,4-diphenylbutadiene by means of the Wittig reaction is presented as suitable for organic chemistry students at the end of a basic laboratory program to apply laboratory skills and display understanding of the use of phase transfer catalysis and its application in syntheses. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed
Jackman, Donald C.; Rillema, D. Paul – Journal of Chemical Education, 1989
Reports a method of preparation for tris(ethylenediamine)cobalt(III) and tris(2,2'-bipyridine)cobalt(III) that will shorten the preparation time by approximately 3 hours. Notes the time for synthesis and isolation of compound one was 1 hour (yield 38 percent) while compound two took 50 minutes (yield 71%). (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, College Science