Solveeit Logo
Login

Question

Question: The ratio of total K.E. per molecule of O<sub>2</sub> and He at same temperature is –...

The ratio of total K.E. per molecule of O2 and He at same temperature is –

A

1 : 1

B

5 : 3

C

8 : 1

D

2 : 3

Answer

5 : 3

Explanation

Solution

KEO2KEHe\frac{KE_{O_{2}}}{KE_{He}} = 52kT32kT\frac{\frac{5}{2}kT}{\frac{3}{2}kT} = 53\frac{5}{3}