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Part A How much heat energy, in kilojoules, is required to convert 42.0 g of ice at...

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Chemistry

Part A

How much heat energy, in kilojoules, is required to convert 42.0g of ice at − 18.0 ∘C to water at 25.0 ∘C ?

Express your answer to three significant figures and include theappropriate units.

Part B

How long would it take for 1.50 mol of water at 100.0 ∘C to beconverted completely into steam if heat were added at a constantrate of 23.0 J/s ?

Express your answer to three significant figures and include theappropriate units.

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