Solve the following problem:
Q: A chiller cools liquid water for air-conditioning purposes. Assume 2.5 kg/s water at 20oC, 100 kPa is cooled to 5oC in a chiller. How much heat transfer (kW) is needed? You should solve the given problem step by step and also you need to include all the units which are needed to accomplish the given problem.Your calculation should be clear and understandable.