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A mixture of methane (CH4) and ethane (C₂H6) of unknown composition is being used as a fuel gas. A sample of the fuel gas was completely combusted in an excess of dry air. After combustion, the gas mixture was analysed and found to contain 6.6 vol-% 02, 7.3 vol-% CO2, 11.7 vol-% H₂O, and 74.4 vol-% N2. What is the mole fraction of methane in the fuel gas? A) 0.11 B) 0.89 C) 0.34 D) 0.66 E) 0.50

A mixture of methane (CH4) and ethane (C₂H6) of unknown composition is being used as a fuel gas. A sample of the fuel gas was completely combusted in an excess of dry air. After combustion, the gas mixture was analysed and found to contain 6.6 vol-% 02, 7.3 vol-% CO2, 11.7 vol-% H₂O, and 74.4 vol-% N2. What is the mole fraction of methane in the fuel gas? A) 0.11 B) 0.89 C) 0.34 D) 0.66 E) 0.50

Introduction to Chemical Engineering Thermodynamics
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
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A mixture of methane (CH4) and ethane (C₂H6) of unknown composition is being used as a fuel gas. A sample of the fuel gas was completely combusted in an excess of dry air. After combustion, the gas mixture was analysed and found to contain 6.6 vol-% 02, 7.3 vol-% CO2, 11.7 vol-% H₂O, and 74.4 vol-% N₂. What is the mole fraction of methane in the fuel gas? A) 0.11 B) 0.89 C) 0.34 D) 0.66 E) 0.50
Transcribed Image Text:A mixture of methane (CH4) and ethane (C₂H6) of unknown composition is being used as a fuel gas. A sample of the fuel gas was completely combusted in an excess of dry air. After combustion, the gas mixture was analysed and found to contain 6.6 vol-% 02, 7.3 vol-% CO2, 11.7 vol-% H₂O, and 74.4 vol-% N₂. What is the mole fraction of methane in the fuel gas? A) 0.11 B) 0.89 C) 0.34 D) 0.66 E) 0.50
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