mass x specific heat Fe x delta T. Don't forget to change kg Fe to g.
Post your work if you get stuck.
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
3 answers
(105g)(0.405J/g-K)(361.5K-298K).
(105g)(0.405J/g-K)(63.5K)=2700.33J
(105g)(0.405J/g-K)(63.5K)=2700.33J
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.
0 answers