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How much energy is released when 54.0g of water freezes? Express your answer using three significant figures. How much heat is required to vaporize it?

How much energy is released when 54.0g of water freezes? Express your answer using three significant figures. How much heat is required to vaporize it? (Assume a density of 1.00g/mL.) Express the heat in kilojoules to three significant figures

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