tolong yaaa plissss no.9 sama caranya ty

Q = m x c x delta T
m = 200 g = 0.2 kg
Cair = 4200 J/kg derajat C
delta T = 50 derajat C

Q = 0.2 x 4200 x 50
=42. 000 Joule (B)

Q = mcΔT
    = (0,2 kg)(4200 J/kg°C)(50°C - 0°C) = 42000 J