1/2 mole of Helium gas is contained in a container at S.T.P. The heat energy needed in cal to doublethe pressure of the gas, keeping the volume constant

1/2 mole of Helium gas is contained in a container at S.T.P. The heat

1.	1/2 mole of Helium gas is contained in a container at S.T.P. The heat energy needed in cal to doublethe pressure of the gas, keeping the volume constant
Answer» 3276 J 1638 J 819 J 409.5J Answer :D