Consider the chemical equation in equilibrium.

ch4(g) + h2o(g) < > co(g) + 3h2(g)

what will happen to the equilibrium of this reaction if the pressure is increased?

a. the equilibrium will shift to the left to favor the reverse reaction.

b. the equilibrium will shift to the right to favor the forward reaction.

c. the equilibrium will not be affected by changing the pressure.

d. the equilibrium will not be reestablished after this kind of stress.

A. The equilibrium will shift to the left to favor the reverse reaction.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For the given equation:

If the pressure is increased, the volume will decrease according to Boyle's Law. Now, according to the Le-Chatelier's principle, the equilibrium will shift in the direction where decrease in pressure is taking place. As the number of moles of gas molecules is lesser at the reactant side. So, the equilibrium will shift in the left direction to favor the formation of reactants in reverse reaction.

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i believe it is 40–40–20%

explanation: