Q66 · CSIR-NET Chemistry, December 2018

Paper: CSIR-NET December 2018 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Thermodynamics – General · Marks: 2 · Difficulty: Easy

For a closed system in the absence of non-PV work, the correct statement is

(a)$\mathrm{dU}=\mathrm{TdS}-\mathrm{PdV}$

(b)$\mathrm{dG}=\mathrm{VdP}+\mathrm{SdT}$

(c)$\mathrm{dU}=\mathrm{TdS}+\mathrm{PdV}$

(d)$\mathrm{dU}=\mathrm{VdP}-\mathrm{SdT}$

Answer

Answer: A ✓ checked by 4AB · confidence high

Explanation

For a closed system with only pV work the fundamental equation is dU = TdS − pdV.

Study loop for Thermodynamics