A perturbation scheme for a binary liquid mixture of hard cores with attractive tail

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Abstract

A perturbation scheme based on the Leonard-Henderson-Barker approach is used to investigate the thermodynamic properties of mixing of a binary mixture of hard cores with attractive tail. Then the hard sphere diameter can be dependent on temperature, and the role of non-additivity of the potentials can be established for various conditions of mixing. It becomes possible to deduce the behaviour of different thermodynamic functions like the Gibbs energy of mixing, entropy of mixing and concentration fluctuations under extreme conditions of temperatureT and pressure P . The impact of T and P in the segregation (or phase separation) and in the compound forming region is discussed in the light of the non-additivity of the potentials and the size ratio.

Original languageEnglish
Pages (from-to)87-99
Number of pages13
JournalMolecular Physics
Volume96
Issue number1
Publication statusPublished - 1999

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Thermodynamics
perturbation
Liquids
Entropy
liquids
Pressure
Temperature
Gibbs free energy
Binary mixtures
Phase separation
binary mixtures
Thermodynamic properties
thermodynamic properties
entropy
thermodynamics
temperature
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

A perturbation scheme for a binary liquid mixture of hard cores with attractive tail. / Osman, S. M.; Singh, R. N.

In: Molecular Physics, Vol. 96, No. 1, 1999, p. 87-99.

Research output: Contribution to journalArticle

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