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The units of specific heat c are J/kg K, but the units of
Chapter 17, Problem 11DQ(choose chapter or problem)
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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QUESTION:
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?
ANSWER: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, sp