A gaseous mixture of 10.0 volumes of CO₂, 1.00 volume of unreacted O₂, and 50.0 volumes of unreacted N₂ leaves an engine at 4.0 atm and 800. K. Assuming that the mixture reachesequilibrium, what are (a) the partial pressure and (b) the concen-tration (in picograms per liter, pg/L) of CO in this exhaust gas?2CO₂(g)⇌2CO(g)+ O₂(g).Kp=1.4x10-28 at 800. K(The actual concentration of CO in exhaust gas is much higherbecause the gases do not reach equilibrium in the short transittime through the engine and exhaust system.)

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
Chapter16: Solubility And Precipitation Equilibria
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A gaseous mixture of 10.0 volumes of CO₂, 1.00 volume of unreacted O₂, and 50.0 volumes of unreacted N₂ leaves an engine at 4.0 atm and 800. K. Assuming that the mixture reachesequilibrium, what are (a) the partial pressure and (b) the concen-tration (in picograms per liter, pg/L) of CO in this exhaust gas?2CO₂(g)⇌2CO(g)+ O₂(g).Kp=1.4x10-28 at 800. K(The actual concentration of CO in exhaust gas is much higherbecause the gases do not reach equilibrium in the short transittime through the engine and exhaust system.)

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