Solve the below problem:
Q: A supply line of ammonia at 0°C, 450 kPa is used to fill a 0.05-m3 container initially storing ammonia at 20°C, 100 kPa. The supply line valve is closed when the pressure inside reaches 290.9 kPa. Find the final mass and temperature in the container. You should include all the units which are needed to complete the problem