The root mean square speed of molecules of nitrogen gas at 27^° C is approximately: (Given mass of a nitrogen molecule =4.6 × 10^-26 kg and take…

The root mean square speed of molecules of nitrogen gas at $\displaystyle 27^{\circ} \mathrm{C}$ is approximately : (Given mass of a nitrogen molecule $\displaystyle =4.6 \times 10^{-26} \mathrm{~kg}$ and take Boltzmann constant $\displaystyle \mathrm{k}_{\mathrm{B}}=1.4 \times 10^{-23} \mathrm{JK}^{-1}$ )