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Lyga, John W. – Journal of Chemical Education, 2002
In this classroom activity, students perform a series of tests with deicers to decide which works better at melting ice and then decide if calcium chloride deicer is worth the extra cost. (MM)
Descriptors: Chemical Reactions, Chemistry, Experiential Learning, Higher Education
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Silverstein, Robert M.; LaLonde, Robert T. – Journal of Chemical Education, 1980
Designed for the organic chemist involved in interpreting NMR spectra, basic concepts of chemical shift equivalence and magnetic equivalence in NMR spectrometry are discussed. (CS)
Descriptors: Chemistry, College Science, Higher Education, Kinetic Molecular Theory
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Baker, A. D.; And Others – Journal of Chemical Education, 1980
Describes a first-year chemistry experiment that illustrates the fundamental concepts of a photoinduced reaction. Qualitative and quantitative parts of the photoreduction of potassium ferrioxalate are detailed. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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Cornelius, Richard – Journal of Chemical Education, 1980
Describes an experiment that emphasizes the discrete nature of the different oxidation states of vanadium by the separation of ammonium metavanadate into all four species by ion exchange chromatography. (CS)
Descriptors: Chemistry, Chromatography, College Science, Higher Education
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White, A. J.; Cunningham, Alice J. – Journal of Chemical Education, 1980
Describes an advanced level experiment in which a transition metal cluster compound, cyclopentadienylcarbonyliron tetramer, is synthesized and characterized spectroscopically. Its redox properties are then explored through cyclic voltammetry. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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Smith, Robert L.; Pinnick, H. R., Jr. – Journal of Chemical Education, 1980
Describes a physical chemistry laboratory experiment that illustrates the concepts of inductive and resonance effects by the calorimetric determination of the heats of protonation of pyridine, 2-chloropyridine, and 3-chloropyridine. (CS)
Descriptors: Chemistry, College Science, Higher Education, Instructional Materials
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Enciso, E.; Cabello, A. – Journal of Chemical Education, 1980
Describes an experiment which illustrates the general aspects of intermolecular energy transfer between triplet states in rigid solutions of organic compounds solved in an ethanol-ether mixture. Measurements of quenching and energy transfer processes are made using the chemicals of benzophenone and naphthalene. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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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
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Fortman, John J. – Journal of Chemical Education, 1994
Pictorial analogies that demonstrate concepts of amounts allow instructors to teach that in stoichiometric problems, the number--or moles--of molecules of a chemical is what matters, even though it must be measured in masses or volumes. Analogies to stoichiometric relationships include the ratio of four wheels to one body in making wagons and…
Descriptors: Chemical Nomenclature, Chemistry, Higher Education, Instructional Materials
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Auf der Heyde, Thomas P. E. – Journal of Chemical Education, 1990
This tutorial is intended to introduce factor and cluster analysis at a level that will afford the senior student or the practicing chemist some insights into the workings of the computer packages employing these methods, without being overwhelming with mathematical detail or process. Included are basic terms and working examples. (CW)
Descriptors: Chemistry, Cluster Analysis, College Mathematics, College Science
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Black, Kersey A. – Journal of Chemical Education, 1990
A decision tree which can be used to help students determine the proper stereochemical relationship between two isomeric structures is presented. The proper use of this chart is discussed. (CW)
Descriptors: Chemistry, College Science, Flow Charts, Higher Education
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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
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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
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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
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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
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