Question

Consider the reaction and its equilibrium constant at 25.0 ∘C :

CO(g)+2H2(g)⇌CH3OH(g) , Kp=6.09×10−3

A reaction mixture contains P(CO)=0.265atm , P(H2)=0.265atm , and P(CH3OH)=0.265atm .

Is the reaction mixture at equilibrium?

Since Qp>Kp , the reaction is not at equilibrium
Since Qp Since Qp=Kp , the reaction is at equilibrium
Since Qp=Kp , the reaction is not at equilibrium

Answer 1

Since Qp>Kp , the reaction is not at equilibrium.

What is the equilibrium constant?

The equilibrium constant shows the extent to which reactants are converted into products.

Now we have to obtain the Qp as follows;

Qp =[CH3OH]/[CO] [H2]^2

Qp = 0.265/(0.265) (0.265)^2

Qp = 14.2

Now we know that Kp = 6.09×10−3, Since Qp>Kp , the reaction is not at equilibrium.

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