CH1012
L1 /
15
LE CHATELIER
Le Chatelier's principle
When a chemical system at equilibrium is disturbed then it regains equilibrium
by undergoing a net reaction that
reduces the effect of the
disturbance to try to restore K.
When a chemical system at equilibrium is disturbed then it regains equilibrium
by undergoing a net reaction that
reduces the effect of the
disturbance to try to restore K.
¬
®
aA + bB cC + dD
• addition of reactant A to the LHS promotes
the forward reaction LHS ® RHS
the forward reaction LHS ® RHS
• addition of
product C to the RHS promotes
the reverse reaction LHS ¬ RHS
the reverse reaction LHS ¬ RHS
