> Q. At what temperature is the rms velocity of a hydrogen molecule equal to that of an oxygen molecule at $47^circ$C ? – LIVE ANSWER TODAY

Q. At what temperature is the rms velocity of a hydrogen molecule equal to that of an oxygen molecule at $47^circ$C ?

In This post you will get answer of Q.
At what temperature is the rms velocity of a hydrogen molecule equal to that of an oxygen molecule at $47^circ$C ?

Solution:

Let $sqrt{frac{3Rt_r}{M_r}} = sqrt{frac{3Rt_0}{M_0}}$ ($because , rms$ velocities are same)
$i.e.$ $t_r = frac{M_r t_0}{M_0} = frac{2}{32} times 320$ = 20 K.

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