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= 2kg.420J/kgC.60C
= 50400 J = 50,4 Kilojoule
m = 2 kg
To = 40 C
Tt = 100 C
c air = 4200 J/KgC
Ditanyakan : Q ?
Dijawab :
Q = m x c x (Tt-To)
= 2 x 4200 x (100-40)
= 2 x 4200 x 60
= 504.000 J