How much heat in kcal must be added

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How much heat in kcal must be added to 0.68 kg of water atroom temperature ( 20 C) to raise its temperature to 39 C?______kcal

A quantity of steam ( 450 g) at 115 C is condensed, and theresulting water is frozen into ice at 0 C. How much heat was removed? _______kcal

Reference no: EM13653895

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