The excess enthalpies of (carbon dioxide + n-hexane + toluene) at 358.15 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 358.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. Results are compared with those previously obtained at 413.15 K and 7.50 MPa and 12.50 MPa and the effect of a temperature decrea...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 1988-05, Vol.20 (5), p.559-568
Main Authors: Pando, C, Renuncio, J.A.R, Faux, P.W, Christensen, J.J, Izatt, R.M
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 358.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. Results are compared with those previously obtained at 413.15 K and 7.50 MPa and 12.50 MPa and the effect of a temperature decrease on H m E for the two isobars is discussed. Toop's equation was found to provide accurate predictions of ternary H m Es. Correlation methods were also examined. 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)90084-5