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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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Posts: 3587
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7 years ago
A 0.42-kg quantity of ethanol, in the liquid state at its melting point of -114.4°C, is frozen at atmospheric pressure. The heat of fusion of ethanol is 1.04 × 105 J/kg, and its molecular mass is 46.1 g/mol. What is the change in the entropy of the ethanol as it freezes?
A) -280 J/K
B) -250 J/K
C) -310 J/K
D) 250 J/K
E) 280 J/K
Textbook 
College Physics

College Physics


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

Appreciate it
Anonymous
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#3
8 months ago
Help! The answer is missing an explanation...
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