Q103 · CSIR-NET Chemistry, June 2015

Paper: CSIR-NET June 2015 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Thermodynamics – General · Marks: 2 · Difficulty: Easy

Heat capacity of a species is independent of temperature if it is

(a)tetratomic

(b)triatomic

(c)diatomic

(d)monatomic

Answer

Answer: D ✓ checked by 4AB · confidence high

Explanation

A monatomic ideal gas has only translational energy: C_V = 3R/2 at all temperatures; polyatomic species gain vibrational contributions as T rises.

Study loop for Thermodynamics