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1. One kilogram of liquid water at 75°C is heated in a frictionless piston at a constant pressure of 5 bar. A total of 2750.7 kJ of heat is added. For each answer, just put the number in the blank without units, and round to the nearest whole number (no decimals). And remember that "water" can mean liquid or vapor. a) What is the final temperature of the water in °C b) What is the final volume of the water in liters c) How much work was done in kJ d) What is the total change in internal energy (∆U) of the water in kJ.