Reports on a computer batch program that will not only perform routine grading using several grading algorithms, but will also calculate various statistical measures by which the class performance can be evaluated and cumulative data collected. ( Author/CP)

Describes a novel approach to the computation of probability contours with the use of a pocket calculator. (CP)

Describes a technique based on combinatorial mathematical principles for counting porphyrin isomers. (Author/CP)

Describes the role of chemists in the eradication of tuberculosis. (CP)

Suggestions on the preparation of various kinds of glass and a demonstration of burning magnesium and dry ice are presented. (CP)

Discusses the solubility characteristics of bromine salts. (CP)

The work output of a human body in various tasks and the biochemistry of oxygen consumption in muscles is discussed. (CP)

Traces the formation of the concepts of acids and bases by describing theories ascribed to various scientists. (CP)

Discussion on the proper use of the chemistry terms "dissociation, hydrolysis, ionization, oxidation and reduction" is presented. (CP)

The commercial and industrial uses of chlorine and hydrochloric acid are discussed. (CP)

Describes a synthesis of chrysanthemic acid which has been used successfully in a laboratory course. (Author/CP)

The construction of an operational amplifier for use in a chemical instrumentation course is described. (CP)

Describes an exercise which familiarizes students with organic chemistry terms and introduces preferential degradation reactions. (CP)

Describes how the color of an object is related to its chemical structure. (CP)

Reports on an undergraduate laboratory course designed to provide instruction and practice in the intellectual skills of application, analysis, and synthesis, and in Piaget's formal operations. A 10-item exam used to measure these skills is included as an appendix. (Author/CP)