Determine the minimum amount of heat, Physics

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A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175^o C. 1500 kJ must be extracted from the house to maintain the temperature at 24^o C when the ambient temperature is 33^o C. Determine the minimum amount of heat that must be extracted from the tank of water by any device built to accomplish the required cooling of the house.

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