Browsing by Author "Soares, VirgIlio A. M."

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    Thermodynamics of Liquid Mixtures of Methane and Ethene
    (Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1977, 73 (09), 1977) Calado, Jorge C. G.; Soares, VirgIlio A. M.
    The total vapour pressure of liquid mixtures of methane and ethene has been measured as a function of composition at 103.94 and 115.77 K. The results have been used to estimate the excess Gibbs energy GE at these temperatures. The volume of mixing PE has been determined at 103.94 K and is found to be small and negative. In a comparison with the values of GE obtained by other authors, an attempt was made to estimate the value of HE, the molar enthalpy of mixing. The results are interpreted in the light of some simple theories of mixtures, suggesting that this is a case where the Lorentz rule of combination of collision diameters is valid.