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Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high temperatures, such as those obtained when gasoline burns in an automobile engine. At 2000°C, K for the reaction  N2(g) + O2(g)  ↔  2NO(g) is 0.01. Predict the direction in which the system will move to reach equilibrium at 2000°C if 0.4 mol of N2, 0.1 mol of O2, and 0.08 mol of NO are placed in a 1.0-L container.   Question 25 options:   A)  The system remains unchanged.   B)  The concentration of NO will decrease; the concentrations of N2 and O2 will remain unchanged.   C)  The concentration of NO will decrease; the concentrations of N2 and O2 will increase.   D)  The concentration of NO will increase; the concentrations of N2 and O2 will decrease.   E)  More information is necessary.

Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high temperatures, such as those obtained when gasoline burns in an automobile engine. At 2000°C, K for the reaction  N2(g) + O2(g)  ↔  2NO(g) is 0.01. Predict the direction in which the system will move to reach equilibrium at 2000°C if 0.4 mol of N2, 0.1 mol of O2, and 0.08 mol of NO are placed in a 1.0-L container.   Question 25 options:   A)  The system remains unchanged.   B)  The concentration of NO will decrease; the concentrations of N2 and O2 will remain unchanged.   C)  The concentration of NO will decrease; the concentrations of N2 and O2 will increase.   D)  The concentration of NO will increase; the concentrations of N2 and O2 will decrease.   E)  More information is necessary.

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.79PAE
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Nitric oxide, an important pollutant in air, is formed from the elements nitrogen and oxygen at high temperatures, such as those obtained when gasoline burns in an automobile engine. At 2000°C, K for the reaction  N2(g) + O2(g)  ↔  2NO(g) is 0.01.

Predict the direction in which the system will move to reach equilibrium at 2000°C if 0.4 mol of N2, 0.1 mol of O2, and 0.08 mol of NO are placed in a 1.0-L container.

 
Question 25 options:
 

A) 

The system remains unchanged.
 

B) 

The concentration of NO will decrease; the concentrations of N2 and O2 will remain unchanged.
 

C) 

The concentration of NO will decrease; the concentrations of N2 and O2 will increase.
 

D) 

The concentration of NO will increase; the concentrations of N2 and O2 will decrease.
 

E) 

More information is necessary.
 
 
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