Excess thermodynamic functions of kihara-molecule mixtures from the simple perturbation theory
- 1 January 1980
- journal article
- Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications
- Vol. 45 (11) , 3051-3056
- https://doi.org/10.1135/cccc19803051
Abstract
Theoretical relations for excess properties, ΔGE and ΔHE, of liquid mixtures whose molecules are representable by convex bodies, were derived from Boublík's perturbation theory and semiempirical equations for the pair distribution function of a reference system. A non-spherical Kihara potential is considered and the thickness of representative bodies is determined from a generalized Barker-Henderson's theory. Computed results for binary mixtures N2 + Ar, N2 + O2, N2 + CH4 and benzene-cyclohexane are in reasonable agreement with experiment.Keywords
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