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The excess enthalpies of (carbon dioxide + n-hexane + toluene) at 470.15 K and 7.50 and 12.50 MPa
The excess molar enthalpies H m E{ x 1CO 2 + x 2 n-C 6H 14 + (1 − x 1 − x 2)C 6H 5CH 3} were measured at 470.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. The ternary H m Es show trends with composition and pressure similar to trends in the { xCO 2 + (1 − x) n-C 6H 14} and { xCO 2...
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| Published in: | The Journal of chemical thermodynamics 1988, Vol.20 (11), p.1297-1306 |
|---|---|
| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
| Citations: | Items that this one cites Items that cite this one |
| Online Access: | Get full text |
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| Summary: | The excess molar enthalpies
H
m
E{
x
1CO
2 +
x
2
n-C
6H
14 + (1 −
x
1 −
x
2)C
6H
5CH
3} were measured at 470.15 K and 7.50 and 12.50 MPa with an isothermal flow calorimeter. The ternary
H
m
Es show trends with composition and pressure similar to trends in the {
xCO
2 + (1 −
x)
n-C
6H
14} and {
xCO
2 + (1 −
x)C
6H
5CH
3} binary systems. Toop's equation was found to provide accurate prodictions of ternary
H
m
Es. The ratios between the standard deviation and the maximum absolute value of
H
m
Es were found to be 4 per cent or less. Correlation methods were examined and a partial differential approximant was found to represent best the ternary contribution to
H
m
E. |
|---|---|
| ISSN: | 0021-9614 1096-3626 |
| DOI: | 10.1016/0021-9614(88)90166-8 |