Respostas

2014-05-01T16:58:46-03:00
Q = m . c . DELTAT Delta T = Tfinal - Tinicial 
-1600 cal = 400g x 0,217cal/gºC x Delta T 
-1600 = 86,8 x Delta T 
Delta T = -18,43ºC 
Delta T = Tfinal - Tinicial 
-18,43ºC = Tfinal - 80ºC 
Tfinal = 61,57ºC
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