A pure saturated hydrocarbon is burned in excess air. Air is supplied at the rate of 284.14 m3 / kgmol of the hydrocarbon. Air enters at 30°C, 1 atm and saturated with water vapor. Partial orsat analysis of the stack gas shows 8.68% CO2 and 1.3% CO. Calculate: a) % excess air (15%) b) Formula of the hydrocarbon (CH4) c) Complete orsat analysis of the stack gas (3.65% O2, 86.37% N2)

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
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A pure saturated hydrocarbon is burned in excess air. Air is supplied at the rate of 284.14 m3 / kgmol of the hydrocarbon. Air enters at 30°C, 1 atm and saturated with water vapor. Partial orsat analysis of the stack gas shows 8.68% CO2 and 1.3% CO. Calculate:

a) % excess air (15%)
b) Formula of the hydrocarbon (CH4)
c) Complete orsat analysis of the stack gas (3.65% O2, 86.37% N2)

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