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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
14
Heat
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14-1: Heat as Energy Transfer
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14-3 and 14-4: Specific Heat; Calorimetry
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14-5: Latent Heat
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14-6 to 14-8: Conduction, Convection, Radiation
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 2
Q

How much heat (in joules) is required to raise the temperature of 34.0 kg of water from 15∘C15 ^\circ \textrm{C} to 95∘C95 ^\circ \textrm{C}?

A
1.1×107 J1.1 \times 10^7 \textrm{ J}
Giancoli 7th Edition, Chapter 14, Problem 2 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. The heat gained by a substance is its mass times the specific heat capacity times the final temperature minus the initial temperature. So, that's 4,186 joules per kilogram Celsius degree for water specific heat capacity times its mass of 34 kilograms times the final temperature of 95 degrees Celsius minus the initial temperature of 15. And that gives about 1.1 times 10 to the 7 joules required to raise this temperature that much.

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