Question

In: Other

Methane is completely burned with 250% excess air during a steady flow combustion process. If the...

Methane is completely burned with 250% excess air during a steady flow combustion process. If the reactants and the products are kept at 25 ° C and 1 atmosphere and the water of the products exists in liquid form.
Determined:
to. The balanced equation
b. Heat transfer (kJ / kmol)
c. Adiabatic flame temperature (K)

Solutions

Expert Solution


Related Solutions

Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of...
Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of 100 kPa. The products of combustion are cooled to 25 C. Calculate the number of kg of H2O which will condense per kg of fuel.
Methane is completely burned with 30% excess air, with 20% of the carbon transforming to CO....
Methane is completely burned with 30% excess air, with 20% of the carbon transforming to CO. a) What is the molar composition of the stack gas on a dry basis? b) Estimate the partial pressure of the CO in the stack gas if the barometer read 750 mmHg.
9.77 Methane is burned with 25% excess air in a continuous adiabatic reactor. The methane enters...
9.77 Methane is burned with 25% excess air in a continuous adiabatic reactor. The methane enters the reactor at 25 C and 1.10 atm at a rate of 550 L/s, and the entering air is at 150 C and 1.1 atm. Combustion in the reactor is complete, and the reactor effluent gas emerges at 1.05 atm. a) Calculate the temperature and the degrees of superheat of the reactor effluent. (Consider water to be the only condensable species in the effluent)....
Methane gas (CH4) is burned in a combustor with a given percentage of excess air. The...
Methane gas (CH4) is burned in a combustor with a given percentage of excess air. The pressure and temperature of both the air and fuel are 101 kPa and 298 K respectively. Assume that the mole fractions are 79% nitrogen and 21 % oxygen for air (use M=28.97 kg/kmol and R=0.287 kJ/kg-K) and that water is a vapor in the exhaust. Given the values below, determine the following: --Given Values-- m_fuel (kg) = 100 Excess Air = 25% a) Determine...
Methane at 25°C is burned in a boiler furnace with 10.0% excess air. The air enters...
Methane at 25°C is burned in a boiler furnace with 10.0% excess air. The air enters the burner at a temperature of 100°C. Ninety percent of the methane fed is consumed; the product gas is analyzed and found to contain 10.0 mol CO2 per 1 mol of CO. The exhaust gases exit the furnace at 400°C. Calculate the rate of heat transferred from the furnace, given that a molar flow rate of 100 mol/s CH4 is fed to the furnace.
mixture of 75 mole% propane and the balance methane is burned with 25 % excess air....
mixture of 75 mole% propane and the balance methane is burned with 25 % excess air. Fractional conversion of 90% of propane and 85% of the methane are achieved; of the carbon that reacts, 95% reacts to form CO2 and the balance reacts to form CO. . 1- draw and completely label the flow chartfor the process including labels for all unknown flow rates. 2-calculate the molar flow rate os air to the reactor per mol of fuel fed to...
Ethane (C2H6) is burned with air in a steady-flow combustor. The mass flow rate of fuel...
Ethane (C2H6) is burned with air in a steady-flow combustor. The mass flow rate of fuel entering the combustor is 0.57 kg/s and the equivalence ratio is 0.64. The fuel enters at 25oC and the air enters at 500 K. Determine: The heat release rate, in kW. The mass flow rate of air, in kg/s. The mole fraction of O2 in the products. The mass fraction of CO2 in the products. The total mass of CO2 produced per year (365...
In a furnace, 76 lbs propane C3H8 are burned with 17.2% excess air for complete combustion....
In a furnace, 76 lbs propane C3H8 are burned with 17.2% excess air for complete combustion. What is the percent CO2 in combustion products? Round your answer to the one decimal place.
methane gas CH4 enters a steady flow combustion chamber at 25 oC and 1 atm and...
methane gas CH4 enters a steady flow combustion chamber at 25 oC and 1 atm and is burned with 40 percent excess air, which also enters at 25 oC and 1 atm. After combustion, the products are allowed to cool to 25 oC. Assume complete combustion, determine the heat transfer per kmol of CH4
1.) A fuel gas containing 95mol% methane and the balance ethane is burned completely in a...
1.) A fuel gas containing 95mol% methane and the balance ethane is burned completely in a furnace with 25% excess air (79mol% N2, 21mol% O2). The stack gas leaves the furnace at 900°C and is cooled to 450°C in a waste heat boiler. Assume a pressure of 1atm throughout the process. (a) Draw a fully labeled flow diagram, and calculate the amount of heat (in kJ) that must be transferred from the gas in the waste heat boiler to achieve...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT