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- Title
Excess molar enthalpies of dichloropropane + n-alkane mixtures.
- Authors
Mato, M. M.; Fernández, J.; Legido, J. L.; Paz Andrade, M. I.
- Abstract
We have determined the excess molar enthalpies $$ H_{\text{m}}^{\text{E}} $$ at 298.15 K and normal atmospheric pressure for the binary mixtures containing dichloropropane and n-alkane [{ xCHClCHClCH + (1− x) CH ( n = 6, 8, 10, 12)} and { xCHClCHCHCl + (1− x) CH ( n = 8, 10)}] using a Calvet microcalorimeter. The $$ H_{\text{m}}^{\text{E}} $$ values for all the mixtures show endothermic behaviour for the whole composition range. The Redlich–Kister equation was used to correlated the experimental values. The experimental excess molar enthalpies were examined on basis of the DISQUAC group-contribution model and the UNIFAC group-contribution method using the version considered by Larsen et al . The experimental and calculated results are discussed in terms of molecular interactions and the proximity effect.
- Subjects
ENTHALPY; ALKANES; DICHLOROPROPANE; ATMOSPHERIC pressure; CALORIMETERS
- Publication
Journal of Thermal Analysis & Calorimetry, 2010, Vol 101, Issue 3, p1121
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-010-0732-x