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Question: how much heat energy in kilojoules is required to convert...

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How much heat energy, in kilojoules, is required to convert 450 g of ice at-18 0 oC to water at 25.0°C? Express your answer to three significant figures and include the appropriate units.

Part B How long would it take for 1.50 mol of water at 100 0 C to be converted completely into steam if heat were added at a constant rate of 170 Js 12 Express your answer to three significant figures and include the appropriate units.

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