A heat exchanger was installed purposely to cool 0.50 kg of gas per second. Molecular weight is 28 and k=1.32. The gas is cooled from 150⁰C to 80⁰C. Water is available at the rate of 0.30 kg/s and at...

A heat exchanger was installed purposely to cool 0.50 kg of gas per

second. Molecular weight is 28 and k=1.32. The gas is cooled from 150⁰C to

80⁰C. Water is available at the rate of 0.30 kg/s and at a temperature of 12⁰C.

Calculate the exit temperature of the water.