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Peer reviewedHall, L.; Goberdhansingh, A. – Journal of Chemical Education, 1988
Describes a simple redox reaction that occurs between potassium permanganate and oxalic acid that can be used to prepare an interesting disappearing ink for demonstrating kinetics for introductory chemistry. Discusses laboratory procedures and factors that influence disappearance times. (CW)
Descriptors: Chemical Reactions, Chemistry, College Science, Demonstrations (Educational)
Peer reviewedMartins, Luis J. A.; da Costa, J. Barbosa – Journal of Chemical Education, 1988
Describes a kinetic and mechanistic investigation of ascorbic acid by a substitution-inert complex in acidic medium suitable for the undergraduate level. Discusses obtaining the second order rate constant for the rate determining step at a given temperature and comparison with the value predicted on the basis of the Marcus cross-relation. (CW)
Descriptors: Chemistry, College Science, Higher Education, Kinetic Molecular Theory
Peer reviewedWarneck, Peter – Journal of Chemical Education, 1989
Discusses the mechanism and the change of pH during the reaction. Notes that a dramatic rise in pH occurs when the reaction nears completion. Evaluates theories by other authors. (MVL)
Descriptors: Chemical Equilibrium, Chemical Reactions, Chemistry, College Science
