A cylinder of fixed capacity 44.8 litres contains a monoatomic gas at standard temperature and pressure. The amount of heat required raise temperature of cylinder by 100C will be

22.4 litre makes 1 mole of any gas   number of moles =μ=44.8/22.4=2raise in temperature = ΔT=100C; cylinder has fixed volume∴amount of heat required at constant volume=QV=μCVΔT=2×(3/2)R_×10=30R