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2014-04-13T18:09:43+07:00
Q = 84 kj = 84000
m = 500 g = 0.5 kg
t1 = 20 C
kalor jenis = 4200J/(Kg.K)
t2 = ?

Δt = Q/m . kalor jenis
( t2 - t1 ) =  8400/ 0,5 . 4200
( t2 - 20) = 40 
t2 = 40+20
t2 = 60
° C
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