Question

TOLONG DIBANTU LAGI YA.TERIMAKASIH

Answer 1

Nomor 4 A jawabannya

Answer 2

4. Dik = Cair 4.200 J/kg c
U 2.270.000 J/kg
m 500 gram = 0,5 kg
Δt = 100-20 = 80

Dit= Q A-B-C
jwb=  Q a-b
= m x c air x Δt
=0,5 x 4200 x 80
=168000 J

Q b-c
= m x L
= 0,5 x 2270000
=1135000 J

Q a-b-c = 168000 + 1135000
=1303000 J = 1303 KJ

no. 11 tidak tau