Wed October 05, 2011 By:

well i didn't understand the meaning of equilibrium.

Expert Reply
Thu October 06, 2011
Chemical equilibrium is achieved in a reaction when the rate of the forward reaction is equal to the rate of the reverse reaction. When a chemical reaction has reached equilibrium, collisions are still occurring: the reaction is now happening in each direction at the same rate. This means that reactants are being formed at the same rate as products are being formed, and this is indicated by double arrows, .
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