Equilibrium - 7, 17
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Last updated 12:01 AM on 9/4/23
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8 Terms
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Equilibrium requistes
1. has to be a reversible reaction
2. must occur in a closed system
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4 key features of a reaction at equilibrium
1. forward & backward reactions occur at the same rate
2. concentration of reactant & product particles remain at equilibrium constant
3. requires a closed system where only energy can be transferred
4. no change in macroscopic properties e.g. pH, colour, pressure
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if value of Kc is larger
forward reaction favoured
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Le Chat Principle (3)
1. system tends to **reestablish equilibrium**
2. by **altering concentration**
3. to **minimise change**
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If Reactants added
forward reaction will be favoured, Kc unchanged
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Change to pressure
equilibrium shifts to the side with less particles
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More pressure in the Haber Process
encourages forward reaction as particles are 4 : 2 causing equilibrium to move to the right
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Lowering temperature in the Haber Process
encourages the forward reaction
Note 
Flashcards (21)