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c = 4.200 J/KgC
m = 4 kg
To = 35 C
T = 45 C
ditanyakn : Q ?d
dijawab :
Q = m x c x ΔT
= 4 x 4.200 x (45-35)
= 4 x 4.200 x 10
= 168.000 J
c = 4.200J/kg°C
∆t = t2-t1
= 45°C - 35°C
= 10°C
Jawab :
Q = m.c.∆t
= 4kg×4.200J/kg°C×10°C
= 16.800J/°C×10°C
= 168.000J