An abandoned gas storage tank contains a mixture of ethane (5% by volume) and air. The mixture is at 25 ºC and 1 atm. Assuming complete combustion happens in the tank so fast that the process occurs adiabatically at constant volume; a) determine the final temperature in K  b) determine the pressure in atm, inside the tank  c) determine the air/fuel ratio on a per mass basis

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 18P
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An abandoned gas storage tank contains a mixture of ethane (5% by volume) and air. The mixture is at 25 ºC and 1 atm. Assuming complete combustion happens in the tank so fast that the process occurs adiabatically at constant volume;
a) determine the final temperature in K 
b) determine the pressure in atm, inside the tank 
c) determine the air/fuel ratio on a per mass basis

 
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