Laboratory procedures, calculations, and sample results are described for a freshman chemistry experiment in which the Clausius-Clapeyron equation is introduced as a means of describing the variation of vapor pressure with temperature and for determining enthalpy of vaporization. (Author/SK)

A remote, programed oven temperature controller unit was built for about $425.00. Specifications, circuit diagrams, design details, and operations are discussed. Detailed information including complete schematics, parts list, and detailed theory of operation may be obtained by contacting the author. (Author/SK)

Chromatographic techniques are used in conjunction with a Parr oxygen combustion bomb to determine sulfur in fuel oils. Experimental procedures and results are discussed including an emphasis on safety considerations. (SK)

Describes several undergraduate deuteriation experiments using deuterium oxide as the source of label, including general and specific procedures. (SK)

An experiment using gas-liquid chromatography is discussed, introducing the student to concept of dead volume and its measurement, idea and use of an internal reference compound, and to linear relationship existing between measurements of a separation on two different stationary phases. (Author/SK)

Characterizes a number of the bench-type chemical laboratory hoods. Reports results of a study that determined the levels of protection each type provides, exploring variables such as laboratory air supply systems, face velocity, work practices, personnel movement, and the effect of equipment location in the hood. (CS)

Contains short descriptions of computer programs or hardware that simulate laboratory instruments or results of kinetics experiments, including ones that include experiment error, numerical simulation, first-order kinetic mechanisms, a game for decisionmaking, and simulated mass spectrophotometers. (CS)

Summarizes information on the need for a Center for the History of Science, originally presented within a symposium on this topic at a meeting of the American Chemical Society in March, 1980. Lists titles of papers presented, objectives of such a center, and general proceedings. (CS)

Reviews information on solar radiation as an energy source. Discusses these topics: the key photovoltaic material; the bank theory of solids; conductors, semiconductors, and insulators; impurity semiconductors; solid-state photovoltaic cell operation; limitations on solar cell efficiency; silicon solar cells; cadmium sulfide/copper (I) sulfide…

Reports results of an inservice needs assessment on a random sample (N=929) of 4,965 Illinois science teachers in grades 6-12. Identifies 12 top inservice needs using the Moore Assessment Profile. Tables rank these needs and provide statistical analyses comparing chemistry teachers' (N=87) needs to all science teachers surveyed. (CS)

Summarizes symposium proceedings and provides topic titles and speakers. An appendix lists useful periodicals and books describing the chemical industry. (CS)

Describes how a sulfate-iodide "clock reaction" experiment can be used to emphasize the importance of observations and hypotheses in revealing cause-effect relationships. Investigative steps, theory, experimental principle, procedure, and the experiment report are discussed. (CS)

Describes a companion experiment to the experimental study of the di-iodide visible absorption spectrum. Experimental details, interpretation, and data analysis are provided for an analysis of the di-iodide fluorescence excited by a visible laser, using a Raman instrument. (CS)

Describes an undergraduate laboratory experiment using viscosity to follow the progress of the contractile process in muscles. This simple, short experiment illustrates the action of ATP as the source of energy in the contractile process and the catalytic effect of calcium ions as a control in the energy producing process. (CS)

Presents 15 recommendations to be discussed by delegates attending the international conference on chemical education at the University of Maryland during August 1981, including: exchange of information, new organizations, college instruction, new experiments and low cost equipment, academic-industry cooperation, popularizing chemistry, and…