Problem #1: The mass of water in an unconstrained piston/cylinder is 2.75 kg. It is initially at 200 kPa and 300C, then cooled until it reaches a saturated vapor state. a. Determine the initial specific volume b. Determine the final temperature c. Determine the work during the process d. Draw the process on a P-v diagram e. Draw the process on a T-v diagram Problem #2: Consider oxygen initially at 400K and 700 kPa undergoing an isothermal process until the specific volume is 0.3 cubic meters per kg. a. Determine the initial specific volume b. Determine the final pressure c. Determine the work per mass during the process d. Draw the process on a P-v diagram e. Draw the process on a T-v diagram Problem #3: Consider 1.3 kg of nitrogen at 400 K and 750 kPa expanding in a polytropic manner until the pressure is 200 kPa. The exponent, n, is equal to 1.2. Determine the final temperature b. Determine the final specific volume c. Determine the work during the process d. Draw the two state points on a P-v diagram e. Draw the two state points on a T-v diagram