Question

Calculate the root mean square speed of an oxygen molecule at $288K$ in $SI$ unis.

Answer 1

$c=\sqrt{\frac{3RT}{M}}$
$R=8.314kPad{m}^3{K}^{-1}mo{l}^{-1},T=288K$
and $M=0.032kgmo{l}^{-1}$
Substituting the values in above equation
$c=\sqrt{\frac{3\times 8.314\times 288}{0.032}}=473.79m{s}^{-1}$.