The temperature of a sample of iron with a mass of 20.0 grams changed from 60.0ºC to 35.0ºC. How many Joules of heat were released?

a. 200 Joules
b. 225 Joules
c. 152 Joules
d. 346 Joules

Question

The temperature of a sample of iron with a mass of 20.0 grams changed from 60.0ºC to 35.0ºC. How many Joules of heat were released?

a. 200 Joules
b. 225 Joules
c. 152 Joules
d. 346 Joules

aaronq · Answer

same formula as earlier, but C, specific heat capacitance is different because it's not for water but for iron

anonymous · Answer

did i answer it correctly on the last, so i know weather im doing it right or not?

aaronq · Answer

hmm i don't think you wrote the answer out

anonymous · Answer

i'm going with b on this one? i got 224.5

aaronq · Answer

yeah, thats close enough. it should be right if you followed the same process as before.