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Journal of Chemical Education, 1974
This second report from the Analytical Chemistry Subcommittee presents ideas for using real-life samples for student analysis and for introducing the topic of developing procedures for analysis. (DT)
Descriptors: Chemistry, College Science, Curriculum, Instruction

Venkatachelam, Chaya; Rudolph, R. W. – Journal of Chemical Education, 1974
A new approach to a research-oriented general chemistry laboratory is described. Objectives for the laboratory program are specified, details are provided concerning the program design, and the results of an experiment to evaluate the program are reported. (DT)
Descriptors: Chemistry, College Science, Curriculum, Educational Research

Taylor, Susan S.; Dixon, Jack E. – Journal of Chemical Education, 1978
Presents a biochemistry experiment for college students that illustrates the purification of an enzyme. (HM)
Descriptors: Biochemistry, Chemistry, Chromatography, College Science
Schlenker, Richard M. – 1977
This document presents a series of physics experiments which allow students to determine the value of unknown electrical capacitors. The exercises include both parallel and series connected capacitors. (SL)
Descriptors: Electricity, Instruction, Laboratory Procedures, Physics

Arrigoni, Edward – Journal of Geological Education, 1981
The classroom demonstration using ammonium dichromate to simulate a volcanic eruption can be modified into a more dramatic and accurate representation of the geologic processes involved in the formation of a volcanic crater. The materials, demonstration setup, safety procedures, and applications to instruction are presented. (Author/WB)
Descriptors: Demonstrations (Educational), Earth Science, Elementary Secondary Education, Geology

Gilbert, George L., Ed. – Journal of Chemical Education, 1978
Presents the following chemistry lecture demonstrations and experiments: (1) a versatile kinetic demonstration; (2) the Bakelite Demonstration; (3) applying Beer's law; and (4) entropy calculations. (HM)
Descriptors: Chemistry, Demonstrations (Educational), Higher Education, Instruction

Herron, J. Dudley, Ed. – Journal of Chemical Education, 1978
Presents a formulations laboratory project in which secondary school students attempt to prepare a common household product from laboratory chemicals. (HM)
Descriptors: Chemistry, Instruction, Laboratory Procedures, Science Activities

Russell, Joan M. – Journal of Chemical Education, 1988
Presents three models that have been effective for teaching chemical equilibrium and Le Chatelier's principle: (1) the liquid transfer model, (2) the fish model, and (3) the teeter-totter model. Explains each model and its relation to Le Chatelier's principle. (MVL)
Descriptors: Chemical Equilibrium, Chemical Nomenclature, Chemistry, Concept Formation

Cope, Virgil W. – Journal of Chemical Education, 1978
Describes an advanced analytical chemistry laboratory experiment developed for the determination of the performance parameters of a spectrophotometer. Among the parameters are the baseline linearity with wavelength, wavelength accuracy and respectability, stray light, noise level and pen response time. (HM)
Descriptors: Chemical Analysis, Chemistry, College Science, Higher Education

Palmieri, Margo D. – Journal of Chemical Education, 1988
Identifies the properties and characteristics of supercritical fluids. Discusses the methodology for supercritical fluid chromatography including flow rate, plate height, column efficiency, viscosity, and other factors. Reviews instruments, column types, and elution conditions. Lists supercritical fluid data for 22 compounds, mostly organic. (MVL)
Descriptors: Chemical Analysis, Chemistry, Chromatography, College Science

Sanchez, Manuela Martin – Journal of Chemical Education, 1988
Presents a high school chemistry lab experiment using tin (II) chloride to explore the concepts of hydrolysis, Le Chatelier's principle, and electrolysis. Presents methodology and the chemistry involved. Offers questions for the students. (MVL)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, Instruction

Ciparick, Joseph D. – Journal of Chemical Education, 1988
Demonstrates a variety of electrical phenomena to help explain atomic structure. Topics include: establishing electrical properties, electrochemistry, and electrostatic charges. Recommends demonstration equipment needed and an explanation of each. (MVL)
Descriptors: Atomic Structure, Atomic Theory, Chemistry, Instruction

Markow, Peter G. – Journal of Chemical Education, 1988
Uses paper chromatography with food dyes to provide a simple and inexpensive basis for teaching chromatography. Provides experimental methodology and tabled results. Includes a solvent system comparison (Rf) for seven dyes and twenty-two solvents. (MVL)
Descriptors: Chemical Analysis, Chemistry, Chromatography, Experiments