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ΔH = + 50 kJ
ΔH = + 15 kJ
Dit :
ΔH = ?
Jawab :
ΔH = + 50 kJ
ΔH = - 15 kJ
∴ ΔH = 50 + (-15) = 35 J
14) B. Kalorimeter
15) Dik : m = 50 gram
c = 1 kal g/c
Δt = 40°C
Dit : Q ?
Jawab : Q = m.c.Δt
Q = 50 x 1 x 40
Q = 2000 kal
Q = 2 kkal (B)