Home
Class 12
PHYSICS
At certain pressure and 127^(@)C tempera...

At certain pressure and `127^(@)C` temperature the mean kinetic energy of hydrogen molecules is `8 xx 10^(-21) J`. What is the mean kinetic energy of hydrogen molecules at the same pressure and temperature `27^(@)C` ?

A

`5.02 xx 10^(2)" m/sec"`

B

`5.02 xx 10^(4)" m/sec"`

C

`2.51 xx 10^(2)" m/sec"`

D

`2.51 xx 10^(3)" m/sec"`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

The kinetic energy of molecules …………………. with the increase in temperature.

Calculate the average kinetic energy of a hydrogen molecule at 27^@C .

Kinetic energy of a molecule is zero at 0^(@)C

What is the mean translation kinetic energy of a perfect gas molecule at temperature T?

Kinetic energy of molecules ……........ with decrease in temperature.

The kinetic energy of 1 g molecule of a gas, at normal temperature and pressure, is

If the average kinetic energy of gas molecule at 27^(@)C is 6.21xx10^(-21)J , then the average kinetic energy at 227^(@)C will be

If the average kinetic energy of a molecule of hydrogen gas at 300 K is E , then the average kinetic energy of a molecule of nitrogen gas at the same temperature is

The mean rotational kinetic energy of a diatomic molecule at temperature T is :

Average kinetic energy of H_2 molecules at 300 K is E. At the same temperature, average kinetic energy of O_2 molecules is