A heavy hydrocarbon having Cpm = 2.30 kJ/kg  K enters a heat exchanger at 349.7 K inside the tube at a rate of 3630 kg/h. In parallel, a flow of 1450 kg water/h enters at 77*C in contact with the hydrocarbon through the heat exchanger and leaves the tube. Calculate the outlet temperatures of the water and hydrocarbon and justify your answer.