Chemical Engineering > GATE 2015 > Residual Properties
Given that molar residual Gibbs free energy, gR, and molar residual volume, vR, are related as (∂gR/∂P)T = vR, find gR at T = 27°C and P = 0.2 MPa. The gas may be assumed to follow the virial equation of state, z = 1 + BP/RT, where B = -10-4 m³/mol at the given conditions (R = 8.314 J/mol·K). The value of gR in J/mol is:
A
0.008
B
-2.4
C
20
D
-20

Correct : d

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GATE chemical engineering 2015 Gibbs free energy residual Gibbs free energy chemical engineering gate virial equation of state GATE 2015 question 42 molar residual Gibbs molar residual volume chemical engineering thermodynamics GATE thermodynamics chemical engineering thermodynamics

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