Volumetric and acoustic properties of binary mixtures of cyclohexane + benzene and + benzaldehyde at (293.15–323.15) K

A theoretical approach to the description of the Soret effect in binary nonpolar liquids is proposed. The temperature gradient of the partial pressure is determined as the driving force of thermal diffusion. The hard-sphere fluid is chosen as a reference system and an explicit relation for the Soret coefficient is found. Two additive contributions owing to steric repulsions and attractive interactions form the so-called chemical contribution to S_{T} [C. Debuschewitz and W. Kohler, Phys. Rev. Lett. 87, 055901 (2001)]. The parameters of interparticle interactions are defined with the help of the solvation theory. In particular, the van der Waals constant of cross interactions is expressed via the excess volume of mixture. The proposed theory is applied to the benzene-cyclohexane system. A reasonable agreement of theoretical and experimental results is revealed for the Soret coefficient and its temperature dependence.

Soret effect in molecular mixtures.

Excess volumes of (benzene + a cycloalkane) and of (benzene + an n-alkane) at two temperatures

Application of the flory theory of liquid mixtures to excess volumes and enthalpies of benzene + cycloalkane and + n-alkane mixtures

Speed of sound, molar volume, and molar isobaric heat capacity for binary liquid mixtures: analysis in terms of van der Waals's one-fluid theory

The methods used to evaluate excess volume data are described. The evaluation results for the benzene+cyclohexane system are presented. The needs for new experimental data are defined.

Evaluation of Binary Excess Volume Data for C6 Hydrocarbons. Benzene+Cyclohexane

The methods used to evaluate excess enthalpy data are described. The evaluation results for the benzene+cyclohexane system are presented. The needs for new experimental data are defined.

Evaluation of Binary Excess Enthalpy Data for C6 Hydrocarbons. Benzene + Cyclohexane,

This paper is the first in a series of reports on the critical evaluation of vapor‐liquid equilibrium, heat of mixing, and volume change of mixing data for binary liquid mixtures of nonelectrolytes. The specific evaluation procedures for each property will be covered in subsequent articles. This paper describes the general procedures used to support the mixture evaluation work. The areas covered include the procedures used to cover the primary and secondary literature, the computer program libraries developed for pure compound and mixture data processing, the procedures used to evaluate and correlate the pure compound property data for use by the mixture programs, and the efforts made to make the best equation of state available to the vapor‐liquid equilibrium data reduction programs. Improvements are suggested for the presentation of mixture data in the literature.

Matthew Gierlach

Papers

Evaluation of Binary Excess Volume Data for C6 Hydrocarbons. Benzene+Cyclohexane

Evaluation of Binary Excess Enthalpy Data for C6 Hydrocarbons. Benzene + Cyclohexane,

Critical Evaluation of Vapor‐Liquid Equilibrium, Heat of Mixing, and Volume Change of Mixing Data. General Procedures