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Partial Pressures in Thermodynamics of Classical Fluid Mixtures

DOI: 10.2478/v10188-012-0005-3

Keywords: Gas mixture, Irreversible thermodynamics, Liquid mixture, Partial pressure, Rational thermodynamics, Thermodynamics of mixtures

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Abstract:

In the rational thermodynamics of most usual nonequilibrium "classical" fluid mixtures it has been proposed the "thermodynamic" partial pressure which generalize traditional definitions and merge together in an ideal gas mixture. In this paper, these thermodynamic partial pressures are calculated for a (real) gas mixture of methane-ethane-carbon dioxide and a liquid mixture of lithium hydroxide in water. The results are compared with those obtained using the classical formulations of partial pressures calculated in these mixtures as well.

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