2006, Vol.13, pp.167-170

In the frame of the two-level molecular statistical approach a classic statistical model of the condensed system is worked out. A united state equation is obtained on the base of expressions, which are known in the statistical thermodynamics, for a thermodynamic potential, entropy and inner energy of the model. It is allows to build a theoretical phase diagram of the simple molecular medium.
Key words: two-level molecular statistical approach, united constitutive equation, phase transitions, potentials of average forces, phase diagram

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