Infinite dilution activity coefficients for selected binary mixtures of

296 Journal of Chemical and Engineering Data, Vol. 24, No. 4, 1979

hE

221

P PI, V

X

Y

P2

excess enthalpy, cal/mol total pressure, mmHg vapor pressures of components 1 and 2, mmHg molar volume, mL mole fraction in liquid mole fraction in vapor

Greek Letters

P 6

Y

virial coefficients defined by eq 9 activity coefficient

Llterature Cited

I

3.193

3293 (I/Tl

X

3,411 I O 3 IK-I)

(1) Barker, J. A., Aust. J. Chem., 6, 207 (1953). (2) Chen, S. S., Zwoiinski, B. J., Int. Data Ser., Se/. Data Mixtures, Ser. A . No. 17. 166. 169 119741. (3) Chun, K. W., Drummond, J.'C., Davison, R. R., J. Chem. Eng. Data, 18, 169 (1973). (4) . . Chun. K. W.. Drummond, J. C.. Smith. W. H., Davison. R. R.. J. Chem. Eng. Data, 20, 58 (1975). (5) Davlson, R. R., Hood,D. W., Harris, W. D., AIChE J., I O , 471 (1964). (6) Davison, R. R., SmRh, W. H., Chun, K. W., AICbE J., 13, 590 (1967). (7) Prausnitf, J. M., Eckert, C. A., Orye, R. V., O'Connell, J. P., "Computer

3.532

~lgve 4. gE/rvs. 1/rfor nhxane-3methgpentane at various hexane mole fractlons.

0.1-mm random pressure error. The derived values of hEand TsE are considerably less reliable.

Calculations for Mutticomponent Vapor-UquM Equilibria", Prentice-Hail, Enolewood Cliffs. N.J.. 1967. D 16. 161 Z