Mohanty, R. K. ; Ahluwalia, J. C. (1972) Partial molal enthalpies, excess partial molal heat capacities, and structural effects of n-Am4NBr in the water-dioxane system Journal of Solution Chemistry, 1 (6). pp. 531-535. ISSN 0095-9782
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Official URL: http://www.springerlink.com/content/l3741545134524...
Related URL: http://dx.doi.org/10.1007/BF00651729
Abstract
Integral heats of solution of tetra-n-pentylammonium bromide, n-Am4NBr, in aqueous binary mixtures of dioxane are reported at 25° and 35°C from 0.0 to 0.3 mole fraction of dioxane. The excess partial molal heat capacity ΔCp° at 30°C is derived from the integral heats of solution at infinite dilution at 25° and 35°C. The partial molal enthalpies of n-Am4NBr exhibit a rather flat maxima at 0.2 mole fraction dioxane. The Δ Cp ° values suggest a structure-breaking role for dioxane. The results obtained in this study are compared with those obtained with n-Bu4NBr in the same system in an earlier study.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer-Verlag. |
| Keywords: | Molal Heat Capacity; Heats of Solution; Quaternary Ammonium Bromide; Water-dioxane Mixtures |
| ID Code: | 335 |
| Deposited On: | 21 Sep 2010 04:48 |
| Last Modified: | 11 May 2011 07:27 |
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