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Steam enters the tube side of a shell and tube heat exchanger at a rate of 73kg/h at 175C and 2 bar. The steam is utilized to heat cold water flowing on the shell side, and it exited as a saturated liquid. Neglect the pressure drop of the steam on the tube side and the water on the shell side of the heat exchanger. (a) Draw and label the process flow diagram completely. (b) Prove that the steam at the inlet stream is superheated steam. (c) Determine the heat (kW) must be transferred from the steam to the water side