A cylinder of fixed capacity (of 44.8 L) contains 2 moles of helium gas at STP .What is the amount of heat needed to raise the temperature of the gas in the cylinder by `20^(@)C` ? `("Use"R=8.31J"mol"^(-1)K^(-1))`

A cylinder of fixed capacity 44.8 litres contains helium gas at standard temperature and pressure. What is the amount of heat needed to raise the temperature of the gas in the cylinder by 15.0^(@)C ? ( R= 8.31Jmol^(-1)K^(-1) )

A cylinder of fixed capacity 44.8 litres contains helium gas at standard temperature and pressure. What is the amount of heat needed to raise the temperature of the gas in the cylinder by 15.0^(@)C ? ( R= 8.31Jmol^(-1)K^(-1) )

A cylinder of fixed capacity 67.2 litres contains helium gas at STP. The amount of heat needed to rise the temperature of the gas in the cylinder by 20^(@)C is (R = 8.31 "Jmol"^(-1)K^(-1) )

A cylinder of fixed capacity 22.4 litre contains helium gas at standard temperature and pressure. What is the amount of heavy needed to raise the temperature of the gas in the cylinder by 30^(@)C ? (R=8.31J "mol"^(-1)K^(-1))