For $1 \ mol$ of a gas,the average kinetic energy is $E$. Then the root mean square velocity $U_{rms}$ of the gas is:

  • A
    $(\frac{2E}{M})^{1/2}$
  • B
    $(\frac{3E}{M})^{1/2}$
  • C
    $(\frac{2E}{3M})^{1/2}$
  • D
    $(\frac{3E}{2M})^{1/2}$

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Similar Questions

At what temperature and $1 \ atm$ pressure will the root mean square speed of $N_2$ gas be equal to the root mean square speed of $CO_2$ gas at $STP$?

Match the following (where $U_{rms}$ = root mean square speed,$U_{av}$ = average speed,$U_{mp}$ = most probable speed)
List-$I$List-$II$
$(a)$ $U_{rms} / U_{av}$$(i)$ $1.22$
$(b)$ $U_{av} / U_{mp}$$(ii)$ $1.13$
$(c)$ $U_{rms} / U_{mp}$$(iii)$ $1.08$

The molecular weight of a gas that diffuses twice as rapidly as the gas with molecular weight $64$ is:

The root mean square speeds at $STP$ for the gases $H_2, N_2, O_2$ and $HBr$ are in the order

What is the kinetic energy (in $J \ mol^{-1}$) of one mole of an ideal gas (molar mass $= 0.1 \ kg \ mol^{-1}$) if its rms velocity is $4 \times 10^2 \ ms^{-1}$ at $T(K)$?

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