Evaluation of unimolecular rate constants for some outer-sphere electrochemical reactions
β Scribed by M.A. Tadayyoni; Michael J. Weaver
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 979 KB
- Volume
- 187
- Category
- Article
- ISSN
- 0022-0728
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π SIMILAR VOLUMES
A test of the Kassel quantum expressions for unimolecular rate constants and densities of vibrational states is described. Rate constants are calculated for nine reactions previously used in such tests, over a wide range of temperatures and pressures. The Kassel expression using the geometric mean o
Rate constants have been measured in aqueous solutions for the reactions of the carbonate radical, COs'-, with several saturated alcohols and one cyclic ether as a function of temperature. Arrhenius pre-exponential factors ranged from 2 X lo8 to 1 X lo9 e mol-' s-l and activation energies ranged fr
The kinetics of the acqueous-phase reactions of the free radicals .OH, .Cl,, and SO; . with the halogenated acetates, CHzFCOO-, CHF2COO-, CF3COO-, and with CHzClC00-, CHClzC00-, CC13COOwere investigated. Generally, the reactivity decreases with increasing halogen substitution and is in the order k(.