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How much heat raises the temperature of 2 kg of water by 10 K? (swater = 4186 J kg–1 K–1)
A83720 J
B167440 J
C8372 J
D41860 J
Answer & Solution
Correct answer: A. 83720 J
Q = m s ΔT = 2 × 4186 × 10 = 83720 J.
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