An insulated rigid tank contains a saturated liquid-vapor mix of water initially at a pressure of 100 kPa. The mass of the mixture is 5 kg, but only 75.6 % of the total mass is liquid. An electric resistance heater is turned on within the tank until all the water has vaporized. The heater power is a constant 3 kW.
What is the volume in the container?
How long was the heater on?