Jawabanmu

2014-04-18T08:54:38+07:00
Diketahui :
m = 8 kg
c = 2300 J/kg°C
At 25° - 75° = -50°C

Ditanya Q =....?

Jawab
0 = m x c x Δt
= 8.2300 x -50
= - 920.000 Joule