The molar excess Gibbs free energy, gE, for a binary liquid mixture at – McqOptions

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1.	The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x1. x2, where A is a constant. The corresponding equation for ln y1, where y1 is the activity co-efficient of component 1, is
A.	A . x22
B.	Ax1
C.	Ax2
D.	Ax12
Answer» B. Ax1

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