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The units of specific heat c are J/kg K, but the units of

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 11DQ Chapter 17

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 11DQ

The units of specific heat c are J/kg ? K, but the units of heat of fusion Lf or heat of vaporization Lv are simply J/kg. Why do the units of Lf and Lv not include a factor of (K)-1 to account for a temperature change?

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Solution 11DQ We need to define both physical quantities first to understand the situation. Specific heat is defined as the amount of heat required to raise the temperature of unit 0 mass of a substance by 1 C. When the substance has a mass of m, change of temperature of T and Q is the heat given to the substance, specific heat sis given mathematically by the equation s = Q/mT . Therefore, in SI system, the unit of specific heat comes out to be J/kg.K. On the other hand, latent...

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Chapter 17, Problem 11DQ is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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