The kinetic energy per gm mol for a diatomic gas at room tem... | PHYSICS - KINETIC THEORY OF AN IDEAL GAS | SolveeIt | Solveeit

Today, August 19

Question

The kinetic energy per gm mol for a diatomic gas at room temperature is

A

3 RT

B

$\frac{5}{2}$ RT

C

$\frac{3}{2}$ RT

D

$\frac{1}{2}$ RT

Answer

$\frac{5}{2}$ RT

Explanation

Solution

$E = \frac{f}{2}RT$ ; $f = 5$ for diatomic gas Ž $E = \frac{5}{2}RT$