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m = 0,5 kg
t1 = 25'C
c = 900 J/kg
Q = 2250 J
Dit: t2....?
Δt = Q/mc
Δt = 2250/0,5x900
Δt = 2250/450
Δt = 5'C
,
Δt = t2 - t1
5 = t2 - 25
t2 = 5 + 25
t2 = 30'C