Q109 · CSIR-NET Chemistry, December 2016

Paper: CSIR-NET December 2016 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Free Energy Equilibria · Marks: 2 · Difficulty: Easy

The parameter which always decreases during a spontaneous process at constant S and V , is

(a)U

(b)H

(c)$\mathrm{C}_{\mathrm{p}}$

(d)q

Answer

Answer: A ✓ checked by 4AB · confidence high

Explanation

At constant S and V the spontaneity criterion is dU ≤ 0: the internal energy decreases.

Study loop for Thermodynamics