The excess enthalpies of (carbon dioxide + n-hexane + toluene) at 413.15 K and 7.50 and 12.50 MPa

The excess molar enthalpies H m E{ x 1CO 2 + x 2C 6H 14 + (1 − x 1 − x 2)C 6H 5CH 3} were measured at 413.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. Correlation methods were examined and a partial differential approximant was found best to represent the ternary contribution to...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 1988-04, Vol.20 (4), p.503-512
Main Authors: Faux, P.W, Christensen, J.J, Izatt, R.M, Pando, C, Renuncio, J.A.R
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Elements, mineral and organic compounds
Exact sciences and technology
General and physical chemistry
General. Theory
Metals and alloys
Mixtures
Thermodynamic properties
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Summary:The excess molar enthalpies H m E{ x 1CO 2 + x 2C 6H 14 + (1 − x 1 − x 2)C 6H 5CH 3} were measured at 413.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. Correlation methods were examined and a partial differential approximant was found best to represent the ternary contribution to H m E. Toop's equation was found to provide accurate predictions of ternary H m Es. In using Toop's equation it is important that CO 2 be designated as component 1. It was found that ternary H m Es can give information about vapor and liquid equilibrium-phase compositions under certain conditions.
ISSN:0021-9614
1096-3626
DOI:10.1016/0021-9614(88)90189-9