An ideal gas is enclosed in the container with dimensions 5m x 3m x 2m. The pressure in the gas is 2 atm(1 atm= 101.3 kPa) and the temperature is 20 degree celsius.
a. find the total number of molecules in the container.
b. find the number of moles of the gas in the container.
c. find the average kinetic energy of a molecule.
d. find the thermal(or internal) energy of the gas.