This unit of instruction deals with the study of both physical and chemical systems in equilibrium. It provides the student with instruction that will enable him to predict products in solubility, acid-base, and oxidation-reduction reactions and to write and balance equations for these reactions and solve problems involving equilibria constants.…

This paper describes a program featuring integrated course sequences and continuous teaching experience that prepares teachers who can create a variety of learning environments that provide meaningful movement experiences for grades K-12,. The 2-year program sequence includes the following elements: (a) selective admissions and retention…

Describes a laboratory experiment, suitable for senior undergraduates, that illustrates energy transfer processes in photochemical reactions. (MLH)

Describes an experiment for estimating molecular size and Avogadro's number. Uses the diffusion length of iodine in air at 100 degrees Celsius as a function of time, and the change in volume of a small quantity of carbon dioxide as it goes from the solid to the gaseous state. (GA)

A secondary school teacher presents his teaching methodology concerning the kinetic theory of gases and gas laws. (CP)

Describes an experimental procedure for illustrating general principles of photochemical reaction kinetics. (SL)

Reviews the subject of the electronic structures of metals which produce magnetism. (SL)

Two demonstrations are described. The first (useful as an introduction to kinetics) shows how the rate of a reaction is fast at first and then gradually decreases to zero when one reactant has been used up. The second is a gas density demonstration using 1,1,2-trichloro-1,2,2-trifluoro ethane. (JN)

Background, procedures used, and typical results are provided for an experiment in which students carry out the necessary measurements on the acid-catalysis of penicillin in two hours. By applying kinetic theory to the data obtained, the reaction pathways for the hydrolysis of potassium benzyl penicillin are elucidated. (JN)

Presents viewpoints of two teachers about the importance of kinetics and how it contributes to students' understanding of chemistry. Discusses reaction rates, concentration effects, and temperature effects related to an understanding of dynamic equilibrium, molecular structure, and control of reacting systems. (JM)

Discusses advantages of using the joule as the focus of a teaching strategy to unify the concept of energy. Includes applications to various energy forms and use of the joule in converting constants. A set of worked problems, using relationships discussed in the article, are available from the author. (JM)

Reviews a noncommercial educational game (Polymerlab) and changes made in GASLAWS (adaptation of mainframe program used in computer-assisted instruction). Describes programs on simulation of molecular speed distributions; interfacing microcomputers to make laboratory measurements; a course in microcomputer-instrument interfacing and measuring and…

Provided are procedures and list of materials needed to demonstrate that the pressure inside a container with a porous surface can be changed due to the rate of diffusion of low molecular weight gases. Typical results obtained are included. (JN)

Presents a computational method based on a Monte Carlo generation of a large number of chemical reactions. The reactions are allowed to proceed on the basis of relative probabilities. (MLH)

Describes the collisional properties as a logically essential component of the ideal gas model since an actual intraparticle process cannot support observable anisotropic velocity distributions without collisions taken into account. (CC)