PhysicsEasy251×since 2002Q7364Two moles of helium gas is mixed with three moles of hydrogen molecules (taken to be rigid). What is the molar specific heat of mixture at constant volume ? (R = 8.3 J/mol K)A21.6 J/mol KB17.4 J/mol KC15.7 J/mol KD19.7 J/mol KCheck answerSkip