A gas mixture has the following molar composition: CH4: 45%; C2H4: 25%, C3H8: 20%; CO2: 10%. All components undergo complete combustion in air according to the following reactions: CH4 + 2 O2 reacts to form CO2 + 2 H2O C2H4 + 3 O2 reacts to form 2 CO2 + 2 H2O C3H8 + 5 O2 reacts to form 3 CO2 + 4 H2O Air may be considered as 21 mol% oxygen (O2) and 79 mol% Nitrogen (N2). Calculate:
A gas mixture has the following molar composition: CH4: 45%; C2H4: 25%, C3H8: 20%; CO2: 10%. All components undergo complete combustion in air according to the following reactions: CH4 + 2 O2 reacts to form CO2 + 2 H2O C2H4 + 3 O2 reacts to form 2 CO2 + 2 H2O C3H8 + 5 O2 reacts to form 3 CO2 + 4 H2O Air may be considered as 21 mol% oxygen (O2) and 79 mol% Nitrogen (N2). Calculate:
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 gas mixture has the following molar composition: CH4: 45%; C2H4: 25%, C3H8: 20%; CO2: 10%. All
components undergo complete combustion in air according to the following reactions:
CH4 + 2 O2 reacts to form CO2 + 2 H2O
C2H4 + 3 O2 reacts to form 2 CO2 + 2 H2O
C3H8 + 5 O2 reacts to form 3 CO2 + 4 H2O
Air may be considered as 21 mol% oxygen (O2) and 79 mol% Nitrogen (N2).
Calculate:
a. The theoretical air required to burn 1 kmol of the gas mixture
b. the mole fraction of carbon dioxide (CO2) on a wet basis if the mixture is burned with 30% excess
air
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