tolong jawab besok di nila

m = 250 g = 0,25 kg
c = 4200 J/kg ˚C
∆T = 100˚C - 25˚C = 75˚C

Kalor yg dibutuhkan
Q = m • c • ∆T = 0,25 • 4200 • 75 = 78750 J