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A stream of fuel consisting of methane and ethane is burned with excess air. The fuel stream enters the furnace at 25C and 1 atm,
A stream of fuel consisting of methane and ethane is burned with excess air. The fuel stream enters the furnace at 25C and 1 atm, and the air enters at 200C and 1 atm. The stack gas leaves the furnace at 800C and 1 atm, which contains 5.32 mole % CO2, 1.6% CO, 7.32% O2, 12.24% H2O and the balance is N2. a) Calculate the molar percentages of methane and ethane in the feed stream. b) Calculate the molar percentages of excess air fed to the reactor. c) Calculate the heat (kJ) transferred from the reactor percubic meter of fuel fed with the help of an inlet-outlet enthalphy table. d) Predict whether the heat transferred to the reactor will increase or decrease if the molar percentage of air is decreased
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