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A HEX of a cooling process of a substance with Cp=3.5 kJ/kgK flowing at 2 kg/s from 80 to 50 C has U=2 kW/m2K. Cold

A HEX of a cooling process of a substance with Cp=3.5 kJ/kgK flowing at 2 kg/s from 80 to 50 C has U=2 kW/m2K. Cold water at 15 C and 2.5 kg/s is used for said cooling. Find the temperature at the outlet of the cold water, the area, and the heat transferred if using: a) Parallel, b) Counterflow and c) Crossflow (both no mixes)

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