Apiston-cylinder device initially contains 1.8 m^2 of saturated water vapor at 250 kpa. at this state, the piston is resting on a set of stops, and the mass of the piston is such that a pressure of 300 kpais required to move it heat is now slowly transferred to the steam until the volume doubles. show the process on a p-v diagram with respect to saturation lines and determine (a) the final temperature, (b) the work done during this process, and (c) the total heat transfer