A gaseous fuel composed purely of a saturated hydrocarbon (CnH2n+2) is burned with excess air. Orsat analysis of the stack gas shows that it is composed of 9.24% CO2, 0.97% CO, 0.20% H2, 5.13% 02, and 84.46% N2. Air is supplied at 32°C, 745 torr and 83% relative humidity and the stack gas leaves at 750 torr. Calculate the following: v Percent excess air v AFR by mass v Molecular formula of the hydrocarbon v Dew point of the stack gas in °C a. C2H6 b. 54.17 c. 19.89 d. C3H8 e. CH4 f. 4.91 19.88 g. h. 15.28 i. 63.95 j. 0.972 k. 25.38 1. 55.95 m. 19.74 n. 16.48
A gaseous fuel composed purely of a saturated hydrocarbon (CnH2n+2) is burned with excess air. Orsat analysis of the stack gas shows that it is composed of 9.24% CO2, 0.97% CO, 0.20% H2, 5.13% 02, and 84.46% N2. Air is supplied at 32°C, 745 torr and 83% relative humidity and the stack gas leaves at 750 torr. Calculate the following: v Percent excess air v AFR by mass v Molecular formula of the hydrocarbon v Dew point of the stack gas in °C a. C2H6 b. 54.17 c. 19.89 d. C3H8 e. CH4 f. 4.91 19.88 g. h. 15.28 i. 63.95 j. 0.972 k. 25.38 1. 55.95 m. 19.74 n. 16.48
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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Transcribed Image Text:A gaseous fuel composed purely of a saturated hydrocarbon (CnH2n+2) is burned with excess air. Orsat analysis of the stack gas
shows that it is composed of 9.24% CO2 0.97% CO, 0.20% H2, 5.13% O2, and 84.46% N2. Air is supplied at 32°C, 745 torr and 83%
relative humidity and the stack gas leaves at 750 torr. Calculate the following:
v Percent excess air
v AFR by mass
v Molecular formula of the hydrocarbon
v Dew point of the stack gas in °C
a. C2H6
b. 54.17
c. 19.89
d. C3H8
e. CH4
f. 4.91
g.
19.88
h. 15.28
i. 63.95
j. 0.972
k. 25.38
1. 55.95
m. 19.74
n. 16.48
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