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L = 80 kal/g
c es = 0,5 kal/g°C
Qa-b = m x c es x Δt (dipake kalo grafiknya naik)
= 50 x 0,5 x (0-(-5))
= 125 kal
Qb-c = m x L (dipake kalo grafiknya mendatar di 0°C)
= 50 x 80
= 4000 kal
Qtotal = Qa-b + Qb-c
= 125 + 4000
= 4125 kal (d)
=50gr . 0,5kal/gr°c . (0-(-5)
=25×5
= 125 kalori
Qb-c = m×l
= 50 gr × 80kal/gr
= 4000 kalori
Q a-c = 125+4000
= 4125 kalori
semoga membantu, engga juga gapapa:)