Asked by Mike

An aluminum calorimeter has a mass of 60g and an initial temperature of 25oC. What is the final temperature attained when 86.8g of water at 90oC is poured into it?
Answered by bobpursley
The sum of the heats gained is zero.
heatgainedwater+heatgainedAl=0
86.8*cwater*( Tf-90 )+60*calum*(Tf-25)=0
Answered by Mike
Ok, but then how do you find Tf?
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