The molecular interpretation of temperature: the kinetic theory of gases 1 the gas consists of a large number of molecules that make elastic collisions with each other and with the walls of the container 2 the molecules are separated,on the average, by the distances that are very large compared with their diameters The molecular interpretation of temperature: the kinetic theory of gases 1 the gas consists of a large number of molecules that make elastic collisions with each other and with the walls of the container 2 the molecules are separated, on the average, by the distances that are very large compared with their diameters