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A. How much heat energy, in kilojoules, is required to convert 68.0 g of ice at...

A. How much heat energy, in kilojoules, is required to convert 68.0 g of ice at −18.0 ∘C to water at  25.0 ∘C ?

Express your answer to three significant figures and include the appropriate units.

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 17.0 J/s ?

Express your answer to three significant figures and include the appropriate units.

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-18 -13 С 스4. 63.9 x Neat f 68 9 x 2.loiy 13+ 68 x 3 (25) +68 x 323-33moi 3587 seeand

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