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