Discusses the major topics of the Fourth Biennial Chemical Education Conference. (MLH)

Discusses the fact that freshman chemistry courses are becoming more quantitative, and recommends that qualitative and empirical topics not be excluded from such curricula. (MLH)

Describes four toxic effects of red tide microorganisms and the economic impact of the red tide bloom on seafood and related industries in several locations of the U.S. (MLH)

Illustrates the mathematical relationships between the enthalpy, free energy, and entropy of a chemical reaction using the first and second laws of thermodynamics. (MLH)

Describes two demonstrations: one that illustrates the attainment of equilibrium in first-order reactions by changing the volumes of two beakers of water at a specified rate, and another that illustrates the role of indicators in showing pH changes in buffer solutions. (MLH)

Describes an organic chemistry course that emphasizes the practical significance of organic chemistry in our culture, and the historical development of organic chemistry as related to economic and political events. (MLH)

Describes a course including topics such as the nature of electromagnetic radiation, the color of transparent and opaque materials, the detection and description of color, color-order systems, color measurement, and color mixing. (MLH)

Describes a course that covers such topics as the archeological dating processes and methods that enable the identification and authentication of artifacts, including X-ray diffraction, optical emission spectroscopy, infrared spectroscopy, and neutron activation analysis. (MLH)

Presents four questions and answers on chemical topics, including the pH of rainwater, the composition of moon rocks, and the comparison of nuclear and burning energy available from coal. (MLH)

Describes the construction of teaching models made from a variety of materials such as poker chips and cardboard that illustrate many chemical phenomena, including subatomic particles, molecular structure, solvation and dissociation, and enzyme-substrate interactions. (MLH)

Cites three historical anecdotes dealing with chromatography, the bioinorganic chemistry of iron, and the Pauli effect. (MLH)

Describes a computerized test administration procedure that solves the problem of providing enough different tests for a self-paced chemistry course. The computer randomly generates a new test for each student from a bank of test items, then grades the test, and gives immediate feedback to the student. (MLH)

Describes a laboratory procedure for separating a mixture of plastics representative of scrap plastic using various solvents and solubility techniques. (MLH)

Describes several spectral experiments utilizing nuphthalene derivatives that display room-temperature phospharescence. (MLH)

Describes the theory, apparatus, and procedure for an experiment that measures the bimolecular quenching constant for the deactivation of an excited ruthenium ion complex using dissolved oxygen. (MLH)