Scientific journal "The News of Altai State University". 2012 #3-1(75). Chemistry.

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2012

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V.S. Smorodinov, A.Yu. Grinevich, N.M. Oskorbin

Mathematical Modeling of Concentration Dependence of Empirical Chemical Equilibrium Constants A+B↔C+D and Definition of a Thermodynamic Equilibrium Constant in Liquid Systems

Transferring from the equations of concentration dependence of logarithms of activity coefficients in bipropellant liquid systems to the similar equations in four-componential liquid systems is proved. The mathematical model of concentration dependence of logarithms of empirical equilibrium constants of reactions of the exchange interaction, containing thermodynamic chemical equilibrium constant and 18 constant quotients is constructed. Calculations for etherification reactions are carried out.

Key words: liquid systems, equilibrium constant, mathematical model, limiting activity coefficients.

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