(a) Consider the combustion of octane, given below: 2 C8H18(g) + 25 O2(g)  16 CO2(g) + 18 H2O(g) If C8H18(g) is decreasing at the rate of 0.820 mol/s, what are the rates of change of O2(g), CO2(g), and H2O(g)? O2(g)/t =  mol/s CO2(g)/t =  mol/s H2O(g)/t =  mol/s

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.85PAE
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(a) Consider the combustion of octane, given below:

2 C8H18(g) + 25 O2(g)  16 CO2(g) + 18 H2O(g)

If C8H18(g) is decreasing at the rate of 0.820 mol/s, what are the rates of change of O2(g), CO2(g), and H2O(g)?

O2(g)/t =  mol/s

CO2(g)/t =  mol/s

H2O(g)/t =  mol/s

he decomposition reaction given below:

2 NH3(g)  1 N2(g) + 3 H2(g)

is carried out in a closed reaction vessel. If the partial pressure of NH3(g) is decreasing at the rate of 126 torr/min, what is the rate of change of the total pressure in the vessel?



Ptot /t =  torr/min

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