Work out the heat change (cal) when 40 g of He gas at \(27^\circ \mathrm{C}\)undergoes isothermal and reversible compres…

Work out the heat change (cal) when 40 g of He gas at \(27^\circ \mathrm{C}\)undergoes isothermal and reversible compression from initial pressure of 1 atm to 10 atm \(\left(\mathrm{R}=2\mathrm{cal}{\mathrm{K}}^{-1}{\mathrm{mol}}^{-1}\right).\)