Issue 19, 2002

Second and third virial coefficients of three binary mixtures containing xenon, at 273 K: Comparison between Xe + C2H6, Xe + C2H4 and Xe + CO2

Abstract

This paper presents volumetric data for the mixtures xenon–ethane, xenon–ethene and xenon–carbon dioxide, with xenon mole fractions covering the whole composition range, at 273.00 K and pressures up to 3.5 MPa, measured using a Burnett apparatus. Second and third virial coefficients were derived for each mixture from the experimental compressibility factors, Z. Data for the pure components are also determined for consistency purposes and for the calculation of the unlike-interaction virial coefficients, B12, C112 and C122. Corrections for the effects of adsorption, and the procedure for computation of the compressibility factors and virial coefficients are described. In order to accomplish a better understanding of the intermolecular forces present in real fluids, the cross virial coefficients, B12, of the studied systems were theoretically calculated using a two centre Lennard–Jones (L–J) model, and compared with experimental data. The importance of the third virial cross coefficients C112 and C122 is discussed.

Supplementary files

Article information

Article type
Paper
Submitted
28 Mar 2002
Accepted
18 Jul 2002
First published
29 Aug 2002

Phys. Chem. Chem. Phys., 2002,4, 4709-4715

Second and third virial coefficients of three binary mixtures containing xenon, at 273 K: Comparison between Xe + C2H6, Xe + C2H4 and Xe + CO2

C. M. M. Duarte, C. Menduiña, A. Aguiar-Ricardo and M. Nunes da Ponte, Phys. Chem. Chem. Phys., 2002, 4, 4709 DOI: 10.1039/B203040C

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