Problem: An important step in the industrial production of hydrogen is the reaction of carbon monoxide with water (i.e. the water gas shift reaction):CO (g) + H2O (g) ⇋ CO2 (g) + H2 (g)At 775 K, the equilibrium constant K p for this reaction is 3.9. If 0.2 moles CO 2 and 0.4 moles H2 were introduced in a 10.0 L container and heated to 775 K, what are the equilibrium concentrations of all components?

FREE Expert Solution

We are being asked to calculate the equilibrium concentrations where its Kp is given.

 CO (g) + H2O (g) ⇋ CO2 (g) + H2 (g)


When dealing with equilibrium:

Kc → equilibrium units are in molarity 
Kp → equilibrium units in terms of pressure


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Problem Details

An important step in the industrial production of hydrogen is the reaction of carbon monoxide with water (i.e. the water gas shift reaction):

CO (g) + H2O (g) ⇋ CO2 (g) + H2 (g)

At 775 K, the equilibrium constant K p for this reaction is 3.9. If 0.2 moles CO 2 and 0.4 moles H2 were introduced in a 10.0 L container and heated to 775 K, what are the equilibrium concentrations of all components?