Specific Heat: A 920-g empty iron kettle is put on a stove. How much heat in joules must it absorb to raise its temperature form 15.0°C to 93.0°C? The specific heat for iron is 113 cal/kg ? C°, and 1 cal = 4.186 J.
A. 33,900 J
B. 40,500 J
C. 8110 J
D. 40,100 J
Answer: A
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