3
QuizMultiple Choice

Changes of State

Question 3 • 25-26 CHEMISTRY IN THE EARTH SYSTEM S1

How much heat is released when 25.0 grams of liquid copper at its freezing point of 1,085°C changes to solid? The latent heat of fusion of copper is 205.0 J/g.

Answer
A
–27,130 J
B
–5,130 J
C
5,130 J
D
27,130 J
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How much heat is released when 25.0 grams of…