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1. How much heat energy, in kilojoules, is required to convert 74.0 g of ice at −−18.0 ∘C to water at  25.0 ∘C ? 2. 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 21.0 J/s ?

1. How much heat energy, in kilojoules, is required to convert 74.0 g of ice at −−18.0 ∘C to water at  25.0 ∘C ? 2. 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 21.0 J/s ?

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter9: Liquids, Solids, And Materials
Section: Chapter Questions
Problem 35QRT
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1. How much heat energy, in kilojoules, is required to convert 74.0 g of ice at −−18.0 ∘C to water at  25.0 ∘C ?

2. 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 21.0 J/s ?

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