A mixture of propane (C3H8) and butane (C4H10) is burnt with pure oxygen gas in excess in a furnace. The stack gas was analyzed to be 47.4 mol% water vapor, 36.5 mole% CO2, and 16.1

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A mixture of propane (C3H3) and butane (C4H10) is burnt with pure oxygen gas in excess in a
furnace. The stack gas was analyzed to be 47.4 mol% water vapor, 36.5 mole% CO2, and 16.1
mole% of oxygen. Hint: no CO is found in the stack gas.
(a) Write down all the possible chemical equation(s) taking place in the reaction system.
(b) Plot a diagram illustrating the process.
What is the composition of the feed gas stream (in both absolute moles and mole fractions).
Transcribed Image Text:A mixture of propane (C3H3) and butane (C4H10) is burnt with pure oxygen gas in excess in a furnace. The stack gas was analyzed to be 47.4 mol% water vapor, 36.5 mole% CO2, and 16.1 mole% of oxygen. Hint: no CO is found in the stack gas. (a) Write down all the possible chemical equation(s) taking place in the reaction system. (b) Plot a diagram illustrating the process. What is the composition of the feed gas stream (in both absolute moles and mole fractions).
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