Question: An inventor proposes an engine that operates between the 2 7 deg C warm surface layer of the ocean and a 1 0

An inventor proposes an engine that operates between the 27\deg C warm surface layer of the ocean and a 10\deg C layer a few meters down.The inventor claims that the engine produces 100 kW by pumping 20kg/s of seawater. Is this possible? (Assume cp ~ 4.18 kJ/kg K for seawater).

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