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Q = 84 Kj = 84000 Joule
m = 500 gram = 0,5 Kg
t1 = 20°C
c = 4.200 J/(Kg.K)
Ditanyakan : t2 = ?
Penyelesaian :
t = Q/m . kalor jenis( t2 - t1 )
= 84.000/ 0,5 . 4200( t2 - 20)
= 40
t2 = 40+20
t2 = 60°C