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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
A 771.0-kg copper bar is put into a smelter for melting.  The initial temperature of the copper is 300.0 K. How much thermal energy must the smelter produce to completely melt the copper bar? The specific heat for copper is 386 J/kg∙K, the heat of fusion for copper is 205,000 J/kg, and its melting point is 1357 K.
A) 4.73 × 105 kJ
B) 3.15 × 1011 kJ
C) 3.15 × 108 kJ
D) 5.62 × 105 kJ
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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lyalllyall
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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#3
4 years ago
Thx
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thx
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#5
3 years ago
thanks for the answer
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#6
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thx
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#7
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thx
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#8
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thx
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