What is the pressure p p\,p exerted by the gas on the walls of the vessel?
3mN4πR3crms2\frac{3mN}{4\pi R^3} {c_{\text{rms}}}^24πR33mNcrms2
mN4πR3crms2\frac{mN}{4\pi R^3} {c_{\text{rms}}}^24πR3mNcrms2
mN12πR3crms2\frac{mN}{12\pi R^3} {c_{\text{rms}}}^212πR3mNcrms2
mN4πR2crms2\frac{mN}{4\pi R^2} {c_{\text{rms}}}^24πR2mNcrms2