2) A refinery stream is separated at 1500 kPa into two products under the conditions shown below. Using the data given, compute the minimum work of separation Wmin in kJ/h for To=298.15 K Flow rate, kmol/h component Ethane propane Feed Product 1 30 30 200 192 n-butane 370 4 n-pentane n-hexane 350 0 50 0 Feed Product 1 Product 2 Phase condition Liquid Vapor Liquid Temperature (K) 364 313 394 Enthalpy (kJ/kmol) 19480 25040 25640 Entropy (kJ/kmol-K) 36.64 33.13 54.84