The condenser of a refrigeration cycle is basically a heat exchanger in which a refrigerant is condensed by rejecting heat to a cooling fluid. Refrigerant-134a enters a condenser at 1200 kPa and 85°C with a flow rate of 0.042 kg/s and leaves at the same pressure subcooled by 6.3°C. The condensation is done by cooling water which experiences a temperature rise of 12°C in the condenser. Determine (a) the rate of heat transferred to the water in the condenser, in kJ/min and (b) the mass flow rate of water, in kg/min.
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