Heat And Thermodynamics

An ideal gas in a container of volume 500 c.c. is at a pressure of \(2 \times 10^{+5} \mathrm{~N} / \mathrm{m}^2\). The average kinetic energy of each molecule is \(6 \times 10^{-21} \mathrm{~J}\). The number of gas molecules in the container is