A cylinder contains a mass m m\,m of helium gas (molar mass = 4.0 g mol-1) at an absolute temperature TTT. The total molecular kinetic energy of the helium gas is EEE.
A second cylinder contains a mass 2m of neon gas (molar mass = 20 g mol-1) at an absolute temperature 3T3T3T. Both gases behave as ideal gases.
What is the total molecular kinetic energy of the neon gas?
1.2E1.2 E1.2E
3.0E3.0 E3.0E
6.0E6.0 E6.0E
30E30 E30E
