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T1 = 30
T2 = 100
C = 4,200 J/kg
Δt = T2-T1
= 100-30 = 70
Q = m x c x Δt
= 1,50 x 4,200 x 70
= 441 joule
m = 1,5 kg
Δt = t2 - t1 = 100 - 30 = 70 C
c = 4200 J/kg C
Ditanya : Q?
penyelesaian :
Q = mcΔt
Q = 1,5 x 4200 x 70
Q = 441000 J