Tolong bantuin entar sore udah harus dikumpul
Jawaban:
Kalor dibutuhkan Q = Qes + Qes melebur + Qair
Qes = mcΔT = 4x2100x(0-(-2)) = 16800 J
Qes melebur = mL = 4×336000 = 1344000 J
Qair = mcΔT = 4x4200x(5-0) = 84000 J
Q = 16800+1344000+84000 = 1444800 J
Penjelasan: