176. A frictionless piston-cylinder device and a rigid tank contain 1.2 kmol of an ideal gas at the

same temperature, pressure and volume. Now heat is transferred, and the temperature of both

systems is raised by 15°C. The amount of extra heat that must be supplied to the gas in the

cylinder that is maintained at constant pressure is?

A. 0 B. 50 kJ

C. 100 kJ D. 150 kJ