The density of a gas is 6 ? 10?2 kg/m3 and the root mean square velocity of the gas molecules is 500 m/s.. the pressure exerted by the gas on the walls of the vessel is 
No link.... Detail solving ..

$$\begin{gathered} \left(a\right) 5\times {10}^3 N/m^2 \left(b\right) 1.2\times {10}^{-4} N/m^2 \\ \left(c\right) 0.83\times {10}^{-4} N/m^2 \left(d\right) 30 N/m^2 \end{gathered}$$