Solve the following questions given below:
Question 1: How much heat flows from 1.00 kg of water at 40.0°C when it is placed in contact with 1.00 kg of 20°C water in reaching equilibrium?
J
Question 2: What is the change in entropy due to this heat transfer?
J/K
Question 3: How much work is made unavailable, taking the lowest temperature to be 20°C?
J
Show all work, use additional paper if necessary.