Note: the answer of 14.25% is incorrect and the number that's cut out is 8.314J/Mol/K

014 10.0 points An engine using 1 mol of an ideal gas ini tially at 18.2 L and 375 K performs a cycle consisting of four steps: 1) an isothermal expansion at 375 K from 18.2 L to 41.8 L; 2) cooling at constant volume to 249 K ; 3) an isothermal compression to its original volume of 18.2 L; and 4) heating at constant volume to its original temperature of 375 K Find its efficiency. Assume that the heat capacity is 21 J/K and the univer- sal gas constant is 0.08206 L . atm/mol/K