Jawabanmu

2014-04-27T14:07:07+07:00
95C - 25C = 70 C V = 2.900.70 = 126.000 J = 126 KJ
2014-04-27T14:07:31+07:00
Q = m.c.delta T Q= 2 * 900 * (90-25) Q= 117000 j Q= 117 Kj