Arefrigerator must transfer 1000 [btu/hour] to the surroundings at 68of to maintain its refrigerated space at 20of. the refrigerator requires 200 [btu/hour] to accomplish this. a) what is it’s coefficient of performance

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The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

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