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A jacketed stirred tank with a provision for heat removal is used to mix sulphuric acid and water in a steady state flow process. H.SO. (1) enters at a rate of 4 kg/h at 25C and H20 (1) enters at a rate of 6 kg/h at 10C. The following data are available: Specific heat capacity of water - 4.2 kJ kg K Specific heat capacity of aqueous solution of 40 mass%H:SO - 2.8 kJ (kg solution'. Assume the specific heat capacities to be independent of temperature. Based on reference states of H.SO. (D) and H2O(l) at 25C, the heat of mixing for aqueous solution of 40 mass% H2SO4 =-650 kJ (kg HSO.) If the mixed stream leaves at 40C, what is the rate of heat removal (in kJ/h)