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m₁=10kg
t₁=10°C
m₂=1kg
t₂=320°C
t₃=36,1°C
c₂=130J/kg*°C
Szukane:
c₁=?
Rozw.
Q₁=Q₂
m₁c₁(t₃-t₁)=m₂c₂(t₂-t₃)
c₁=m₂c₂(t₂-t₃)/m₁(t₃-t₁)
c₁=1kg*130J/kg*°C*283,9°C/10kg*26,1°C≈141J/kg*°C