Q86 · CSIR NET Chemistry, June 2019

Paper: CSIR NET June 2019 · Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Laws State Functions · Marks: 2 · Difficulty: Medium

A sample of 2.0 moles of $\mathrm{O_2(g)}$ (assumed ideal) at 500 K is expanded from 5 L to 50 L under adiabatic and reversible conditions. The change in its internal energy (in kJ) is close to $R = 8.3\ \mathrm{K^{-1}\,mol^{-1}}$; $C_{V,m} = \frac{5}{2}R$
(a)-22.5
(b)-12.5
(c)-19.1
(d)-7.5
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.

Study loop for Thermodynamics

1. Practise the PYQsPrevious-year questions, with answers

· Browse this chapter in the app