44. Ammonia weighing 22 kg is confirmed inside a cylinder equipped with a piston has an initial

pressure of 413 kPa at 38°C. If 3200 kJ of heat is added to the ammonia until its final pressure

and temperature is 413 kPa and 100°C, respectively. What is the amount of work done by the

fluid in kJ?

A. 667

B. 304

C. 420

D. 502