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What is the correct answer?
4
The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C
p
of copper is 23 J K
-1
mole
-1
)
A.
2300 J
B.
4600 J
C.
230 J
D.
2.3 × 10
6
J
Correct Answer :
A. 2300 J
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