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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^(-12)J`. (Mass of hydrogen atom `=1.7 xx 10^(-27)kg` & atomic weight of nitrogen =14). Then
The rms speed of nitrogen molecules at `27^@C` is

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
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