Dissolution enthalpies of NaI in binary mixtures of water with aliphatic alcohols and methylcellosolve at 298.15 K. Enthalpic pair interaction coefficients of NaI–nonelectrolyte in water solution

1 September 1983

journal article
Published by Canadian Science Publishing in Canadian Journal of Chemistry

Vol. 61 (9) , 2203-2208
https://doi.org/10.1139/v83-384

Abstract

The enthalpy of solution, ΔH_sol, of NaI in methanol + water, ethanol + water, n-propanol + water, isopropanol + water, and methoxyethanol + water at all compositions and ΔH_sol of NaI in s-butanol + water and tert-butanol + water from 0 to 5 mol% alcohol was measured.The NaI–nonelectrolyte pair interaction enthalpies were determined and correlated with the functions describing some properties of the nonelectrolyte. A functional group additivity concept, introduced by Savage and Wood for non-ionic solutes, was applied to the interactions between NaI and nonelectrolytes.

Keywords

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