How much heat left the water during the night

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Reference no: EM13290933

An orchid grower hears that the temperature is expected to fall below freezing overnight, so she puts a large barrel in her orchid greenhouse and fills it with 315 kg of water at 21.0°C. In the morning, the water is at 1.5°C. How much heat left the water during the night? (Express the answer as a positive amount.)

Reference no: EM13290933

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