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Chemical and Engineering News, 1990
Reported are the results of a survey of the economic status of members of the American Chemical Society. Included are employment, salaries, satisfaction, and the status of women in chemical occupations. (CW)
Descriptors: Chemistry, College Science, Demand Occupations, Employment Patterns
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Bogner, Donna, Ed. – Journal of Chemical Education, 1990
Presented is an approach to solving oxidation-reduction reactions. The advantage of this procedure for both acidic and basic equations is stressed and emphasizes the electrical nature of redox equations. (KR)
Descriptors: Chemical Reactions, Chemistry, College Science, Higher Education
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Manch, Raimonde – Science and Children, 1989
A hands-on science lesson which allows young students to apply stains in the classroom and then try to remove them is presented. Included are a list of materials, procedures, and a discussion of probable results. (CW)
Descriptors: Chemistry, Elementary Education, Elementary School Science, Experiential Learning
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Pomeroy, R. S.; And Others – Journal of Chemical Education, 1989
Reviewed is the use of the Thin-Film Mercury Electrode for anodic stripping voltammetry, simple voltammetry of solution cations and cathodic stripping voltammetry for the determination of an environmentally important molecule, thiourea. The construction of a simple potentiostat and applications for student laboratory courses are included. (CW)
Descriptors: Chemistry, College Science, Graduate Study, Higher Education
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Moran, P. J.; Gileadi, E. – Journal of Chemical Education, 1989
Discussed is some of the confusion encountered in electrochemistry due to misunderstandings of sign conventions and simple mathematical errors. Clarified are issues involving emf series, IUPAC sign conventions, calculation of cell potentials, reference electrodes, the polarity of electrodes in electrochemical devices, and overpotential. (CW)
Descriptors: Chemistry, College Science, Computation, Electricity
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Rodriguez, Joaquin; Brainard, Alan J. – Journal of Chemical Education, 1989
Considers pressure, volume, entropy, temperature, Helmholtz free energy, Gibbs free energy, enthalpy, and internal energy. Suggests the mnemonic diagram is for use with simple systems that are defined as macroscopically homogeneous, isotropic, uncharged, and chemically inert. (MVL)
Descriptors: Chemical Nomenclature, Chemistry, College Science, Cues
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Hileman, Bette – Chemical and Engineering News, 1989
Analyzes the employment market for chemical professionals. Discussed are increasing the number of science graduates; demand for chemical professionals; and salaries. Information and services for career planning are indicated. (YP)
Descriptors: Career Development, Chemical Engineering, Chemistry, College Science
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Waterman, Edward L.; Thompson, Stephen – Science Teacher, 1989
Small-scale chemistry employs a modern design philosophy and small, inexpensive plastic apparatus to create a learning laboratory that fosters creativity, invention, and problem solving. This article describes the characteristics of the small-scale activities. A n-solutions chemical reaction matrix is provided with examples of classroom use. (YP)
Descriptors: Chemical Reactions, Chemistry, Laboratory Equipment, Laboratory Experiments
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Tan, H. S.; Jones, W. E. – Journal of Chemical Education, 1989
Offers an improvement over the least-square method that is particularly applicable to fitting the Beer-Lambert equation. Provides typical data and the corresponding graphs. Lists six references. (YP)
Descriptors: Chemistry, College Science, Data Analysis, Higher Education
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Steehler, Jack K. – Journal of Chemical Education, 1990
Reviewed are the features of lasers that make them useful to chemists and in chemistry curricula. Types of lasers are listed. Laser-induced fluorescence experiments are discussed. (CW)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Equipment
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Strange, Ronald S. – Journal of Chemical Education, 1990
Reviewed are the basic concepts of experimental design, analysis of data, and optimization. Discussed are two-level factorial designs; fractional factorial designs and blocking, additive, linear, and quadratic models; quadratic and composite designs; and designing experiments in design. (CW)
Descriptors: Chemistry, College Science, Higher Education, Laboratory Procedures
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Newman, Alan R. – Analytical Chemistry, 1990
Described is a chemistry program for high school students in rural Pennsylvania administered by Juniata College. Support, programing, equipment, and management of this van-based program are discussed. The positive effects on the students, teachers, and the college community are stressed. (CW)
Descriptors: Chemistry, College Science, Experiential Learning, Higher Education
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O'Sullivan, Dermot A.; Lepkowski, Wil – Chemical and Engineering News, 1990
Analyzes the recent changes and future of chemical science in East Germany, Poland, Czechoslovakia, and Hungary. Summarizes the American government's responses to the changes. (YP)
Descriptors: Chemical Engineering, Chemistry, Foreign Countries, International Educational Exchange
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DeMoura, John M.; Darrington, Richard W. – Science Teacher, 1990
Presented is an activity in which the composition of margarine is analyzed. Materials and procedures are discussed. An extension activity on emulsions is suggested. Background information on the history of margarine is provided. (CW)
Descriptors: Chemical Analysis, Chemistry, Laboratory Procedures, Middle Schools
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Niaz, Mansoor – Journal of Research in Science Teaching, 1989
Investigated was the relation between student ability to translate sentences into equations, equations into sentences, and student performance in formal operational reasoning, proportional reasoning, and introductory-level chemistry. Results indicate that students who lack formal operational skills may experience problems in the translation of…
Descriptors: Academic Achievement, Algebra, Chemistry, Cognitive Development
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