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Perturbation theory for a mixture of polarizable liquids

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Thermodynamic perturbation theory developed for pure polar liquids with significant polarizability is applied to a mixture with polar and nonpolar polarizable components. Expressions for the average and unperturbed dipole moments of the components of the mixture are presented and the dipole and induced contributions to the thermodynamic functions of the mixture are calculated. The equation of state is obtained and used to calculate the excess properties of a binary mixture of particles interacting with a stockmeyer potential. It is shown that the induced dipole moments contribute significantly to the thermodynamic properties of this model solution and that their effects must be taken into account in predicting the properties of real liquid mixtures containing polar components.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 69–73, March, 1985.

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Ugol'nikov, A.P. Perturbation theory for a mixture of polarizable liquids. Soviet Physics Journal 28, 234–237 (1985). https://doi.org/10.1007/BF00895913

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  • Dipole Moment
  • Perturbation Theory
  • Thermodynamic Property
  • Binary Mixture
  • Model Solution