Jtw. Lai et al., EXCESS PARTIAL MOLAR ENTHALPIES AND FREE-ENERGIES IN METHANOL ISOBUTANOL MIXTURES AT 20-DEGREES-C - THE EFFECT OF SIZE DIFFERENCE, Thermochimica acta, 230, 1993, pp. 39-53
The excess partial molar enthalpies, H(m)E(i), and free energies, G(m)
E(i), (where i is methanol or isobutanol) were determined at 20.00-deg
rees-C in methanol-isobutanol mixtures. The Bhatia-March approach (J.
Phys. F, 5 (1975) 1100), taking into account the size difference betwe
en the components within the framework of the conformational solution
theory, was applied to explain the composition dependence of H(m)E(i)
and G(m)E(i). It was reasonably successful : however, it did not seem
to work for the other isomeric butanol and methanol mixtures.