The following expressions have been reported for the activity coefficients of species 1 and 2 in a

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The following expressions have been reported for the activity coefficients of species 1 and 2 in a binary liquid mixture at given T and P:

ln γ1 = x22 (0.273 + 0.096 x1) ln γ2 = x21 (0.273 − 0.096 x2)

(a) Determine the implied expression for GE∕RT.

(b) Generate expressions for ln γ1 and ln γ2 from the result of (a).

(c) Compare the results of (b) with the reported expressions for ln γ1 and ln γ2.

Discuss any discrepancy. Can the reported expressions possibly be correct?

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Introduction To Chemical Engineering Thermodynamics

ISBN: 9781259696527

8th Edition

Authors: J.M. Smith, Hendrick Van Ness, Michael Abbott, Mark Swihart

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