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A fuel-oil ( 88% de C y 12% de H2-weight) is burning in a furnace producing a gas which contain CO2,O2,N2 y H2O, with the
A fuel-oil ( 88% de C y 12% de H2-weight) is burning in a furnace producing a gas which contain CO2,O2,N2 y H2O, with the following composition in dry basis: CO2=13.4%,O2=3.6%,N2=83%(involume) Air and fuel-oil come into the furnace at 25C. The furnace loses for the walls 300000kcal/100 kg of fuel-oil fed. Calculate: d. temperature of the exit gas Information: Specific heats of the combustion gases in kcal/(kmolC) : CO2=10.2O2=7.3N2=7.0H2O(v)=8.3 Heat of combustion at 25C : C+O2CO2H2+1/2O2H2O(v)HC=94052kcal/kmolHc=57800kcal/kmol Enthalpy of vaporization H2OHvap=9720kcal/kmol
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