Physic
posted by Anonymous .
If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water?
Please help!

Physic 
bobpursley
the sum of heats gained is zero.
heatgainedicemelting+ heatgained by water heating+ heat gained alumin heating=0
.045*Hfice+(.045)specheatwater*(Tf0)+.390*specheatwater*(Tf34)+.150specheatAl(Tf34)=0
solve for Tf 
Physic 
Amy
is Hfice heat fushion of ice? or is latent heat the same as heat fushion?

Physic 
Amy
so i did
(0.45*333.55) + (0.045*4.816)(T0) + (0.39*4.186)(T34) + (.15*920)(T34) = 0
15.009 + 0.18837T + 55.511.63254T + 4692  138T = 0
4762.519  139.4T = 0
T = 34.16 C
But I'm getting the wrong answer. Am I using the wrong number for Al? Or Hf?
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