Mixture-model approach to the theory of classical fluids. III. Application to aqueous solutions of nonelectrolytes

A. Ben-Naim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

An extension of the mixture-model approach to the theory of liquid water is developed to include aqueous solutions of nonelectrolytes. The Kirkwood-Buff theory of solution is employed to obtain a general and exact expression for the "stabilization effect" induced by the solute. This relation is applied, in the framework of a two-structure model, to obtain further insight into the molecular origin of some anomalous thermodynamic properties of aqueous solutions. The generalized continuous mixture-model formalism is also extended to solutions. It is demonstrated that current concepts such as "structural changes" in the solvent are strongly dependent on the particular classification procedure adopted to construct the mixture model.

Original languageEnglish
Pages (from-to)3-30
Number of pages28
JournalJournal of Statistical Physics
Volume7
Issue number1
DOIs
StatePublished - Jan 1973

Keywords

  • aqueous solutions
  • mixture-model theory of fluids
  • solutions
  • Statistical mechanics
  • structure of water

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