0.05KG of steam at 15bar is contained in a rigid vessel of volume 0.0076 m3. What is the temperature of the steam? If the vessel is cooled, at what temperature will the steam be just dry saturated? Coolingis continued until the pressure in the vessel is 11 bar; calculate the final dryness fraction of the steam,and the heat rejected between the initial and final states. i have the answers as 250°C, 191.4°C, 0.857. How do i find the heat rejected between states? Im assuming it is the change in internal energy? but how do i get this from the steam tables for 2 states?