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Agustian, Hendra Y. – Chemistry Education Research and Practice, 2022
This article seeks to provide researchers and practitioners in laboratory education, particularly those involved in the curriculum design and implementation of teaching laboratories at university level, with a conceptual framework and a working model for an integrated assessment of learning domains, by attending to a more holistic approach to…
Descriptors: Chemistry, Science Instruction, Laboratory Experiments, Curriculum Design

Cardinali, Mario Emilio; Giomini, Claudio – Journal of Chemical Education, 1989
Proposes a simple procedure based on an expansion of the exponential terms of Raoult's law by applying it to the case of the benzene-toluene mixture. The results with experimental values are presented as a table. (YP)
Descriptors: Chemistry, College Science, Computation, Equations (Mathematics)
White, Robert S.; McKenzie, Dan P. – Scientific American, 1989
Investigates the nature of catastrophic volcanism and the rifting process. Describes two kinds of evidence: quantitative descriptions of rock melting and a wide range of observations. Discusses examples of continent growth in the North Atlantic, India and the Seychelles islands, and the South Atlantic. (YP)
Descriptors: Earth Science, Geographic Regions, Geology, Geophysics

Splittgerber, A. G.; Chinander, L. L. – Journal of Chemical Education, 1988
Outlines a laboratory exercise that makes use of Beer's Law plots of cysteine constructed at several pH values over a broad range of wavelengths to estimate the tautomeric ratio (R) of two singly charged ionic forms, calculate the microscopic constants, and construct ultraviolet spectra for both light absorbing species. (CW)
Descriptors: Biochemistry, Chemistry, College Science, Higher Education

Davis, William E.; Black, Suzanne – Journal of College Science Teaching, 1986
Determined student opinion of the investigative laboratory by surveying both students who had completed an introductory biology course using this format and another group of more advanced students who had taken other courses since this one. Results show that a majority of students feel the format improved their problem-solving skills. (JN)
Descriptors: Biology, College Science, Higher Education, Opinions

Johnstone, Alex H.; Letton, Kirsty M. – Journal of College Science Teaching, 1989
Examines the psychology of learning and its application to work in the laboratory. States that the working memory capacity of students is limited; therefore the amount of information they can process needs to be controlled and "recipe following" in the laboratory is perfectly reasonable. (RT)
Descriptors: Chemistry, College Science, Educational Research, Foreign Countries

Piszczek, L.; And Others – Journal of Chemical Education, 1988
Examines the usefulness of cyclic voltammetry to the determination of a complex compound's stoichiometry. Discusses the experimental design, laboratory equipment, and results. (CW)
Descriptors: Chemistry, College Science, Higher Education, Inorganic Chemistry

Pickering, Miles – Journal of Chemical Education, 1988
Criticizes the way organic chemistry teaching laboratory experiments are approached from the viewpoint of physical chemistry. Compares these experiments to cooking. Stresses that what matters is not the practice of the finger skills of organic chemistry but practice in the style of thinking of organic chemists. (CW)
Descriptors: College Science, Higher Education, Laboratory Procedures, Organic Chemistry

Sotheeswaran, Subramaniam – Journal of Chemical Education, 1988
Describes an experiment for undergraduate chemistry laboratories involving a chemical found in plants and some sea animals. Discusses collection and identification of material, a hemolysis test, preparation of blood-coated agar plates, and application of samples. (CW)
Descriptors: Botany, Chemistry, College Science, Higher Education
An Overhead Demonstration of Some Descriptive Chemistry of the Halogens and LeChatelier's Principle.

Hansen, Robert C. – Journal of Chemical Education, 1988
Describes a demonstration procedure using controlled reduction potentials to predict observed color changes which are then experimentally verified. Demonstrates the usefulness of this procedure in helping students understand LeChatelier's principle and the solubilit rule "like dissolves like." (CW)
Descriptors: Chemical Reactions, Chemistry, College Science, Demonstrations (Educational)
Goldman, Terry; And Others – Scientific American, 1988
Discusses the theory and history behind an experiment that will be performed to measure the gravitational forces that effect antimatter. Describes conditions under which the principle of equivalence would be violated or supported. Reviews historical tests of equivalence, current theory and experiments. Presents the design of the new experiment.…
Descriptors: College Science, Energy, Force, Gravity (Physics)

Ibanez, Jorge G.; And Others – Journal of Chemical Education, 1988
Describes experiments in which students prepare in situ soluble complexes of metal ions with different ligands and observe and estimate the change in formal potential that the ion undergoes upon complexation. Discusses student formation and analysis of soluble complexes of two different metal ions with the same ligand. (CW)
Descriptors: Chemistry, College Science, Higher Education, Inorganic Chemistry

Thompson, Robert Q. – Journal of Chemical Education, 1988
Describes a laboratory exercise in which acid dissociation constants and molecular weights are extracted from sample data and the sample is identified. Emphasizes accurate volumetric work while bringing to practice the concepts of acid-base equilibria, activity coefficients, and thermodynamic constants. (CW)
Descriptors: Acids, Chemical Analysis, Chemistry, College Science

Lieu, Van T.; Kalbus, Gene E. – Journal of Chemical Education, 1988
Describes an application of potentiometry to the determination of acidic and basic compounds in household cleaners in chemistry instruction. Discusses procedures and results of this experiment. (CW)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Seddon, G. M.; Ridge, J. S. – Research in Science and Technological Education, 1987
Investigates the effects of using scientific apparatus versus household objects on the accuracy of primary school children in a simple titration exercise. Indicates no significant difference between the accuracy obtained using the two types of apparatus at the beginning, but improved performance for children using scientific apparatus by the end.…
Descriptors: Chemistry, Elementary School Science, Foreign Countries, Laboratory Equipment