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Showing 391 to 405 of 478 results Save | Export
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Soltzberg, Leonard J. – Journal of Chemical Education, 1986
Discusses the importance of studying the far-from-equilibrium phenomena in college chemistry. Presents a system using the gas pendulum which displays all of the essential characteristics of dissipative systems. Promotes the use of the gas pendulum as a teaching example of a nonlinear far-from-equilibrium process. (TW)
Descriptors: Chemical Equilibrium, College Science, Higher Education, Inorganic Chemistry
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Marchant, G. W. – School Science Review, 1983
Suggests two methods of developing the study of the noble gases: first, the discovery of the elements and recent discovery of xenon show the human face of chemistry (historical development); second, the properties of noble gas compounds (particularly xenon) can be used to test the framework of conventional chemistry. (Author/JM)
Descriptors: Atomic Structure, Chemical Bonding, Chemical Reactions, Chemistry
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Frey, John E. – Journal of Chemical Education, 1990
Described is an inorganic chemistry course based on the premise that a balanced understanding of inorganic chemistry requires knowledge of the experimental, theoretical, and technological aspects of the subject. A detailed description of lectures and laboratories is included. (KR)
Descriptors: Chemistry, College Science, Higher Education, Inorganic Chemistry
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Athnasios, Albert K.; And Others – Analytical Chemistry, 1989
Topics covered in this review of analytical methods include: additives, adulteration, contamination, decomposition, carbohydrates, color, enzymes, fats, oils, fatty acids, flavor, identifying compounds, inorganic methods, moisture, organic acids, nitrogen processes, and vitamins. (MVL)
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science
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Sherma, Joseph – Analytical Chemistry, 1989
This review is devoted to methods for the determination of residues of pesticides and some related industrial chemicals. Topics include: residue methods, sampling, chromatography, organochlorine pesticides, organophosphorus pesticides, carbamate insecticides, herbicides, fungicides, pyrethrins, fumigants, and related chemicals. (MVL)
Descriptors: Chemical Analysis, Chemical Industry, Chemistry, Chromatography
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Gilpin, R. K.; Pachla, L. A. – Analytical Chemistry, 1989
This review is divided into these topics: alkaloids, antibiotics, inorganics, nitrogen and oxygen containing compounds, steroids, sulfur containing compounds, vitamins, techniques, and miscellaneous methods. The review covers from November 1986, to October 1988. (MVL)
Descriptors: Chemical Analysis, Chemical Industry, Chemistry, Chromatography
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Krishen, Anoop – Analytical Chemistry, 1989
This review covers methods for identification, characterization, and determination of rubber and materials in rubber. Topics include: general information, nuclear magnetic resonance spectroscopy, infrared spectroscopy, thermal methods, gel permeation chromatography, size exclusion chromatography, analysis related to safety and health, and…
Descriptors: Chemical Analysis, Chemical Industry, Chemistry, Chromatography
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Rybolt, Thomas R.; And Others – Journal of Chemical Education, 1988
Illustrates an interesting biomedical application of adsorption from solution and demonstrates some of the factors that influence the in vivo adsorption of drug molecules onto activated charcoal. Uses acetaminophen and N-acetylcysteine for the determination. Suggests several related experiments. (MVL)
Descriptors: Biochemistry, Biomedicine, Chemical Analysis, Chemistry
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Hill, J. O.; Magee, R. J. – Journal of Chemical Education, 1988
Describes several experiments using the techniques of thermal analysis and thermometric titrimetry. Defines thermal analysis and several recent branches of the technique. Notes most of the experiments use simple equipment and standard laboratory techniques. (MVL)
Descriptors: Chemical Analysis, Chemical Reactions, Chemistry, College Science
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Baum, Rudy M. – Chemical and Engineering News, 1989
Discusses a symposium which focused on the influence of inorganic chemistry on organic synthesis, the impact of organic chemistry on biochemistry and vice versa, chemical reaction dynamics, and advances in inorganic chemistry. Explains the purpose of the symposium was to illustrate the intellectual dynamism of modern chemistry. (MVL)
Descriptors: Biochemistry, Chemical Analysis, Chemical Industry, Chemical Nomenclature
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Knudson, Stephen K.; Noid, D. W. – Journal of Chemical Education, 1989
Discusses a new method for determining the eigenvalues of the Schroedinger equation when the potential energy function does not have a simple form. Describes the mathematical methods and provides an application. Lists limitations to the method. (MVL)
Descriptors: Atomic Structure, Chemical Analysis, Chemistry, College Science
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Donato, Henry, Jr.; And Others – Journal of Chemical Education, 1988
Describes two computer programs used to aid in data analysis: (1) Develops a method for the propagation of error involving the direct calculation of the error in the dependent variable using a spreadsheet; (2) Examines a simple numerical method for solving complex equilibria. Lists a FORTRAN 77 program. (MVL)
Descriptors: Chemical Equilibrium, Chemistry, College Science, Computer Software
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Weber, Stephen G.; Long, John T. – Analytical Chemistry, 1988
Discusses three aspects of electrochemical detectors: (1) signal and noise generation and signal-to-noise ratio, (2) improvement of qualitative information content, and (3) control of selectivity of the detector. Explains electronic principles of detectors and detection limits. Lists current applications and research. (ML)
Descriptors: Chemical Analysis, Chemistry, College Science, Electronic Control
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Fernandez, G. M.; And Others – Journal of Chemical Education, 1988
Introduces different methodological strategies in analyzing potential energy surfaces (PES) used in chemical reactivity studies. Discusses the theory of PES and gives examples to be used for student work. Provides procedures for calculating normal coordinates and vibrational properties of an activated complex. (ML)
Descriptors: Chemical Bonding, Chemical Equilibrium, Chemical Reactions, Chemistry
Young, Barbara N.; Hoffman, Lyubov – 1996
Demonstration of chemical reactions is a tool used in the teaching of inorganic descriptive chemistry to enable students to understand the fundamental concepts of chemistry through the use of concrete examples. For maximum benefit, students need to learn through discovery to observe, interpret, hypothesize, and draw conclusions; however, chemical…
Descriptors: Academic Achievement, Audiovisual Instruction, Demonstrations (Science), Discovery Learning
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