Abstract
The mixture and interaction second virial coefficients of a binary gas mixture of nonspherical molecules of arbitrary symmetry have been calculated for a set of unlike force parameters which is obtained from the force parameters for like interactions by using empirical combination rules. In the calculation molecular anisotropy of very general type has been accounted. The relative contribution of each branch of interactions has been evaluated as a function of temperature. The theoretical values of interaction second virial coefficient have been compared with the experimental data of N2+A, N2+He, N2+H2, N2+O2, N2+C2H4, N2+C2H6, CO2+A, CO2+H2, CO2+N2, CO2+O2, CO2+CO, CO2+C2H4, CO2+C2H6, O2+A and H2+CO. The agreement between theory and experiment is satisfactory for all the systems. Numerical estimations of the mixture second virial coefficients as a function of temperature and composition are given for the systems CO2+A, CO2+H2, CO2+N2, CO2+O2 and CO2+CO.
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Singh, S., Shukla, K.P. Second virial coefficient for a mixture of nonspherical molecules of arbitrary symmetry. Pramana - J Phys 10, 639–647 (1978). https://doi.org/10.1007/BF02879552
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DOI: https://doi.org/10.1007/BF02879552