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massa = 24750 Joule / (448 J/Kg 'c X 110' c)
massa = 0,5022 Kg
Δt = t₁ - to = 130°C - 20°C = 110°C
c = 450 J/kg °C
Ditanyakan : m
Penyelesaian : m = Q : (Δt . c)
= 24750 : (110 . 450)
= 24750 : 49500
= 0,5 kg