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Title: Friedman's Excess energy and the McMillan-Mayer theory of solutions:Thermodynamics
Author: Gómez Estévez, Juan Luis
Keywords: Termodinàmica
Solucions electrolítiques
Mecànica estadística
Solucions electrolítiques
Electrolyte solutions
Statistical mechanics
Electrolyte solutions
Issue Date: 2012
Publisher: International Union of Pure and Applied Chemistry
Abstract: In his version of the theory of multicomponent systems, Friedman used the analogy which exists between the virial expansion for the osmotic pressure obtained from the McMillan-Mayer (MM) theory of solutions in the grand canonical ensemble and the virial expansion for the pressure of a real gas. For the calculation of the thermodynamic properties of the solution, Friedman proposed a definition for the"excess free energy" that is a reminder of the ancient idea for the"osmotic work". However, the precise meaning to be attached to his free energy is, within other reasons, not well defined because in osmotic equilibrium the solution is not a closed system and for a given process the total amount of solvent in the solution varies. In this paper, an analysis based on thermodynamics is presented in order to obtain the exact and precise definition for Friedman"s excess free energy and its use in the comparison with the experimental data.
Note: Reproducció del document publicat a:
It is part of: Pure and Applied Chemistry, 2013, vol. 85, num. 1, p. 105-113
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ISSN: 0033-4545
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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