Natural gas with a molar analysis of 60% CH4, 30% C,H6 and 10% N2 enters a reactor and burns completely with 20% excess air. a) Write the balanced reaction equation. b) Calculate the air-fuel ratio on a mass and molar basis. c) Determine the analysis of the combustion products on molar basis.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Natural gas with a molar analysis of 60% CH4, 30% C2H6 and 10% N2 enters a reactor and burns completely with 20% excess
air.
Write the balanced reaction equation.
b) Calculate the air-fuel ratio on a mass and molar basis.
c) Determine the analysis of the combustion products on molar basis.
d) Determine the dew point temperature of the combustion products, in °C, at 1 atm.
e) Calculate the chemical exergy exiting with the combustion products (please note that the condensation of water in the
flue gas).
a)
Transcribed Image Text:Natural gas with a molar analysis of 60% CH4, 30% C2H6 and 10% N2 enters a reactor and burns completely with 20% excess air. Write the balanced reaction equation. b) Calculate the air-fuel ratio on a mass and molar basis. c) Determine the analysis of the combustion products on molar basis. d) Determine the dew point temperature of the combustion products, in °C, at 1 atm. e) Calculate the chemical exergy exiting with the combustion products (please note that the condensation of water in the flue gas). a)
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