Physics - Heat & Thermo Question with Solution | TestHub

(A) No. of molecules in 1 mole $=6.023\times 10^{23}$ for every gas. (B) No. of moles are same, $n=\frac{PV}{RT}$. (C) Translational KE of one mole $=\frac{3}{2}RT$, same for all gases at the same T. (D) Unit mass contains a different number of moles for different gases, hence different KE.