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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^oC. 1500 kJ must be extracted from the house to maintain the temperature at 24^oC when the ambient temperature is 33^oC.

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

A 2kg piece of copper at 200^oC is taken out of a furnace and is allowed to cool in air with an ambient temperature of 25^oC. Calculate the entropy change in the universe as a result of this process. The Cp of copper is 0.38 kJ/kg K.

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Category:- Chemistry
Reference No.:- M9527412

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