Crude petroleum oil is generally considered to be formed from animal and vegetable debris accumulating in sea basins or estuaries and decomposed by anaerobic bacteria resulting in a black viscous product.  A typical elemental analysis shows 80 % C, 13 % H, 1 % N, 3 % O and 3 % S.  During a certain combustion, air supplied is less than the theoretical so that all of the O2 is use up, 70 % of the C burns to CO2, the rest to CO.  The molal ratio of CO to H2 in the exhaust gas is 1:2.  Calculate: a) Complete Orsat analysis of the exhaust gas  b) % of the theo air which is supplied for combustion            %composition CO2 in the Orsat analysis: %composition CO in the Orsat analysis: % theo air which is supplied for combustion:

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
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  1. Crude petroleum oil is generally considered to be formed from animal and vegetable debris accumulating in sea basins or estuaries and decomposed by anaerobic bacteria resulting in a black viscous product.  A typical elemental analysis shows 80 % C, 13 % H, 1 % N, 3 % O and 3 % S.  During a certain combustion, air supplied is less than the theoretical so that all of the O2 is use up, 70 % of the C burns to CO2, the rest to CO.  The molal ratio of CO to H2 in the exhaust gas is 1:2.  Calculate:

a) Complete Orsat analysis of the exhaust gas 

b) % of the theo air which is supplied for combustion           

  • %composition CO2 in the Orsat analysis:
  • %composition CO in the Orsat analysis:
  • % theo air which is supplied for combustion:      

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