a sealed rigid container of volume .6 m^3 contains water in the form of saturated vapor at 550 kpa.

a sealed rigid container of volume .6 m^3 contains water in the form of saturated vapor at 550 kpa. energy in the form of heat is lost, from the container to the environment , until the pressure inside the container drops to 275 kps , what is the mass of vapor and mass of liquid in the final state and how much heat in kjs i lost to the environment during this process