Question

Asked Oct 6, 2019

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This problem is (8.4) from a book "Thermodynamics and Statistical Mechanics An Integrated Approach by M. Scott Shell"

Step 1

The change in Gibb’s free energy for a reversible process is given by equation (1). At, constant temperature, equation (1) reduces to equation (2) as *dT *is equated to zero. Equation (2) can rearranged and written as equation (3).

Step 2

On differentiating equation (3) with respect to number of moles of component *i*, equation (4) is obtained where *Vi *bar is partial molar volume or *V/N* of component *i*. Equation (4) is rewritten as equation (5) on rearrangement. It is known that the partial change in Gibb’s free energy with respect to the moles of component* i* at constant *T *a...

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