Propane is burned completely with excess oxygen. The product gas contains 24.5 mole% CO2, 6.10% CO, 40.8%

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Propane is burned completely with excess oxygen. The product gas contains 24.5 mole% CO2, 6.10% CO, 40.8% H2O, and 28.6% O2.
(a) Calculate the percentage excess O2 fed to the furnace.
(b) A student wrote the stoichiometric equation of the combustion of propane to form CO2 and
CO as
|2C, Hs + 02 — ЗСО, + 3СО + 8H,0

According to this equation, CO2 and CO should be in a ratio of 1/1 in the reaction products, but in the product gas of Part (a) they are in a ratio of 24.8/6.12. Is that result possible?

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Elementary Principles of Chemical Processes

ISBN: 978-1119498759

4th edition

Authors: Richard M. Felder, ‎ Ronald W. Rousseau, ‎ Lisa G. Bullard

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