What is Le Chatelier’s Principle?
Le Chatelier’s Principle states that when a system is in equilibrium and there is a change in one of the factors which affect the equilibrium, the system reacts in such a way as to cancel out the change and restore equilibrium.
An increase in temperature will shift the reaction in the direction of heat absorption.
An increase in the pressure will shift the reaction in the direction in which the number of moles is decreased.
An increase or decrease in pressure does not affect a reaction in which there is no variation in the number of moles.
An increase in the concentration of one of the components will cause the reaction to shift so as to decrease the added component.
This principle was formulated by Henry Louis Le Châtelier.
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