Excess vacancies and the mechanism of the slow reaction in aluminum-4% copper alloy
โ Scribed by J. Okamoto; H. Kimura
- Publisher
- Elsevier Science
- Year
- 1969
- Weight
- 831 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0025-5416
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๐ SIMILAR VOLUMES
## Abstract The reaction of copper with benzyl bromides in hexamethylphosphoramide has been studied. The kinetic and thermodynamic parameters of the reaction have been obtained. Hammett plots of log (__k__/__k__^o^) vs the substituent constant ฯ gave good correlations (ฯ = 0.15, __S__~ฯ~ = 0.02, __
The reaction of copper metal with various substituted benzyl bromides in dimethylformamide has been studied and the kinetic and thermodynamic parameters of the reaction have been obtained. Hammett plots of log(k/k โข ) vs the substituent constant ฯ gave good correlations (ฯ = 0.24, S ฯ = 0.03, r = 0.
Optical absorption spectra of excess electrons and the kinetics of their reaction with benzene in 1 ,Cdioxane/water mixtures show the existence of water clusters in dioxane-rich mixtures.