A close piston - cylinder device contains 24 g of saturated water vapor that is maintained at a constant pressure of 3 0 0 kPa. A resistance heater within the cylinder is turned on and passes a current of 0.2 A for 5 min from a 1 2 0 - V source. At the same time, aheat loss of 1 1 kj occurs. Determine the the final internal energy in kj / kg if you know that final volume the system is
O 1.3 m3/kg
O 4 m3/kg
O 13 m3/kg
O 9 m3/kg