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1.
Q = m * Cw * delta T
Q = 1kg * 4190 J/kg*C * 10*C = 41900 J
2.
delta T = Q/m*Cw
delta T = 84000J / (1kg * 4190 J/kg*C) = 20 *C
delta T= 10*C
m=1kg
Cw=4200J/kg* *C
Q=mCwdeltaT
Q=1kg*4200J/kg* *C*10*C
Q=42000J
Q=42 kJ
2.o ile stopni wzrosnie temperatóra wody o masie 1 kg po dostarczeniu jej 84kj ciepła
m=1kg
Cw=4200J/kg* *C
Q=84kj=84 000J
delta T=?
delta T=Q/mCw
delta T=84 000J / (1kg*4200J/kg* *C)
delta T=84 000J / (4200J/ *C)
delta T=20 *C)