Jawabanmu

2014-03-31T06:06:20+07:00
M x L = 100 x 80 = 8000 kal

m x c x Δt = 100 x 1 x 20 = 2000kal

jumlah kalor = 8000+2000 = 10.000kal
2014-03-31T07:21:06+07:00
Q2 = m.L
Q3 = m.c.deltaT

Q2= 100 . 80
    = 8000kal
Q3= 100.1.(20 C-0 C)
     = 100.1.20
     = 100. 20
     = 2000kal
Qtotal= 8000 + 2000 = 10.000 kalori