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Cohen, Richard W.; Whitmer, John C. – Journal of Chemical Education, 1981
Describes how Gibbs valley graphs can clarify the relation between the Gibbs function and chemical equilibrium. Gives examples from gas phase equilibria. (CS)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, College Science
Peer reviewed Peer reviewed
Murdoch, Joseph R. – Journal of Chemical Education, 1981
Presents information concerning a fundamental concept for understanding reaction rate, the idea of a rate-limiting step for a chemical reaction. Discusses problems in using flow analogies and introduces an alternative approach to finding the rate-limiting step based on locating the transition state of highest energy. (CS)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Joshi, Bhairav D.; And Others – Journal of Chemical Education, 1981
Presents a procedure for evaluating the required integrals for undergraduate students attempting to understand the consequences of perturbation theory. (CS)
Descriptors: Chemistry, College Science, Higher Education, Mathematical Applications
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Dewhurst, F.; Dewhurst, F. R. – Journal of Chemical Education, 1981
Describes various uses for balloons in chemistry instruction, such as their use as stirring devices, gas reservoirs, sources of carbon dioxide, and as atomic models. (CS)
Descriptors: Chemistry, College Science, Higher Education, Science Education
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Moore, John W., Ed. – Journal of Chemical Education, 1981
Provides short descriptions of chemists' applications of computers in instruction: an interactive instructional program for Instrumental-Qualitative Organic Analysis; question-and-answer exercises in organic chemistry; computerized organic nomenclature drills; integration of theoretical and descriptive materials; acid-base titration simulation;…
Descriptors: Chemistry, College Science, Computer Assisted Instruction, Computer Oriented Programs
Peer reviewed Peer reviewed
Mettes, C. T. C. W.; And Others – Journal of Chemical Education, 1981
Describes the specifics of instruction in thermodynamics using a problem-solving technique introduced in a previous issue of this journal. (CS)
Descriptors: Chemistry, College Science, Course Content, Higher Education
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Mickey, Charles D., Ed. – Journal of Chemical Education, 1981
Discusses the concept of equilibrium in chemical systems, particularly in relation to predicting the position of equilibrium, predicting spontaneity of a reaction, quantitative applications of the equilibrium constant, heterogeneous equilibrium, determination of the solubility product constant, common-ion effect, and dissolution of precipitates.…
Descriptors: Chemical Equilibrium, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Coller, B. A. W.; And Others – Journal of Chemical Education, 1980
Analyzed are the deficiencies of a traditional freshman course in chemistry, including (1) chemistry model usage, (2) inadequate discrimination between related but different basic concepts, and (3) methods for teaching elementary ideas. Described is an approach used to resolve these problems. (CS)
Descriptors: Chemistry, College Science, Higher Education, Instructional Innovation
Peer reviewed Peer reviewed
Adamson, Ishola – Journal of Chemical Education, 1980
Described is the first part of a two-term project involving final-year students in biochemistry. Listed are the required experiments compiled to test students' abilities to search biochemical literature, extract experiments from journals and carry them out, generate data, and interpret results. (CS)
Descriptors: Biochemistry, Chemistry, College Science, Higher Education
Peer reviewed Peer reviewed
Barnard, W. Robert, Ed. – Journal of Chemical Education, 1980
Reviewed are various advantages to the use of videocassettes in chemical education. Common recorders and their accessories are listed and evaluated. (CS)
Descriptors: Audiovisual Aids, Chemistry, College Science, Higher Education
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Bodner, George M. – Journal of Chemical Education, 1980
Presented are common words and phrases which are encountered in the statistical analysis of test results. Included are analysis of the mid-point, distribution of scores, calculation of scaled scores, test reliability, item analysis, and coefficients of reliability. (CS)
Descriptors: College Science, Definitions, Evaluation Methods, Higher Education
Peer reviewed Peer reviewed
Ferguson, Lloyd N. – Journal of Chemical Education, 1980
Presented are three ways in which bioactivity of organic compounds has been introduced in organic chemistry courses. One is to point out a typical bioactivity of a given functional group. A second is to discuss biorganic mechanisms. A third is to draw structure-activity correlations (SAR). (Author/HM)
Descriptors: Biochemistry, Chemistry, College Science, Curriculum Guides
Peer reviewed Peer reviewed
Hall, H. K., Jr. – Journal of Chemical Education, 1980
An analogy between electron transfer reactions of the elements and those of organic molecules is offered. Examples of organic electron transfer reactions are presented. The rationale of constructing an organic chemists' periodic table is also discussed. (HM)
Descriptors: Atomic Structure, Chemical Bonding, Chemical Reactions, Chemistry
Peer reviewed Peer reviewed
Russell, Arlene A.; Mitchell, Bernie L. – Journal of Chemical Education, 1979
Describes the use of cassette tape recordings in preparing freshman chemistry students for experiments in laboratories. The tapes are said to have decreased student anxiety in the laboratory and increased laboratory skills. (SA)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Procedures
Peer reviewed Peer reviewed
Hart, Charles – Journal of Chemical Education, 1989
Discusses the selection of gloves for the chemistry laboratory. Provides checklists for the purposes of the gloves, and the factors including permeation rate, breakthrough time, friction, and cost. Lists eight rules for preventing skin exposure and minimizing area contamination. Lists six references. (YP)
Descriptors: Check Lists, Chemistry, Guides, Higher Education
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