Excess thermodynamic functions of binary mixtures of normal and isomeric alkanes (C5 and C6)
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 70, 1133-1142
- https://doi.org/10.1039/f29747001133
Abstract
Measurements of densities and total vapour pressures were made at 298.15 K for five systems: I, n-hexane + n-pentane; II, n-hexane + 2-methylpentane; III, n-hexane + 3-methylpentane; IV, n-hexane + 2,2-dimethylbutane; and V, n-hexane + 2,3-dimethylbutane. Molar excess volumes, vE, are negative and small for all five systems. The magnitude of vE diminishes with an increase in the amount of methyl branching. Molar excess Gibbs energies for second and third systems show a very small positive deviation from Raoult's law, whereas the remaining three systems deviate slightly in the negative direction. Analysis was made in terms of theories of solutions.Keywords
This publication has 0 references indexed in Scilit: