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Ct=335 kJ/kg
delta T=10C
Q=Q1+Q2
Q=Cw m delta T + Ct m
Q=2,1 x 2 x 10 + 335 x 2
Q=712 kJ
2)
delta T=200C
Cw=0,228 kJ/kg C
Ct=59 kJ/kg
Q=Q1+Q2
Q=Cw m delta T + Ct m
Q=Cw ro V delat T + Ct ro V
Q=0,228 x 20 x 7,3 x 200 + 59 x 20 x 7,3
Q=15 271,6 kJ