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