Asked by bebo

the s.p.h of iron is 0.405 J/g-K. how many joules of heat are needed to raise the temperature of 0.105 kg of Fe from 298K to 361.5K

Answered by DrBob222
mass x specific heat Fe x delta T. Don't forget to change kg Fe to g.
Post your work if you get stuck.
Answered by bebo
(105g)(0.405J/g-K)(361.5K-298K).
(105g)(0.405J/g-K)(63.5K)=2700.33J
Answered by DrBob222
That looks ok to me. If your prof is picky about significant figures in the answer you need to make sure you have them right. I don't think you will be allowed all of those in your answer.
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