Atank of 4-m capacity contains 1500 kg of liquid water and vapor at 523.15 k (25°C), the liquid water in equilibrium with its vapor, which fills the rest of the tank. a quantity of 1000 kg of water at 323.15 k (5°C) is pumped into the tank. how heat much be added during this process if the temperature in the tank is not to change?
