tolong jawab apkai cara

200 g = 0,2 kg
Q1= mcΔt
=0,2.2100.5
=2100 J
Q2 = m.L
= 0,2 . 336000
= 67200 J
Q3 = m.c.Δt
= 0,2.4200.10
= 8400 J
Q total = Q1+Q2+Q3
= 2100+67200+8400 J
= 77700 J

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