A 648-G Empty Iron Kettle Is Put on a Stove

question 42

Multiple Choice

A 648-g empty iron kettle is put on a stove. How much heat, in joules, must it absorb to raise its temperature from 15.0°C to 37.0°C? (The specific heat for iron is 113 cal/kg•C°, 1 cal = 4.190 J)

• A) 6740 J
• B) 11,300 J
• C) 1610 J
• D) 16,100 J

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