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m = 0,5 kg
c = 0,25 kal/°C
Δt = 50°C
Ditanya : Q ... ?
Jawab :
Q = m × c × Δt
Q = 0,5 kg × 0,25 kal/°C × 50°C
Q = 6,25 kal
c = 0,25 kal/g oc
delta t:60 oc - 10 oc=50 oc
dit:Q....?
dij: Q=m.c.at
=00,2 .0.25 .50
=250J