Q150 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Free Energy Equilibria · Marks: 2 · Difficulty: Medium

A process is carried out at constant volume and at constant entropy. It will be spontaneous if:

(a)$\Delta \mathrm{G}<0$

(b)$\Delta \mathrm{H}<0$

(c)$\Delta \mathrm{U}<0$

(d)$\Delta \mathrm{A}<0$

Answer

Answer: C ✓ checked by 4AB · confidence high

Explanation

At constant S and V the criterion for spontaneity is dU < 0 (c).

Study loop for Thermodynamics