Friday, 28 June 2013

Dynamic Equilibrium and le Chatelier's Principle

A dynamic equilibrium is a reaction which is reversible and the rate of reaction in the forward direction is the same as the rate of reaction in the reverse direction.

le Chatelier's Principle says that this equilibrium will shift (in the forward or reverse direction) to overcome any change made to the system. For example, if more reagent is added, the equilibrium shifts in the forward direction to decrease this amount of reagent. As a consequence, more product is made. The "aim" is to re-establish dynamic equilibrium.

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