Equilibrium Equations

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Last updated 12:38 PM on 8/28/26
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7 Terms

1
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What is the equilibrium constant

K = [C]c [D]d

[A]a [B]b


Capitals= equilibrium reactant concentrations

Lower case = number of moles of corresponding reactants

2
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What are ignored in equilibrium constant expressions

Solids

3
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Unit of Kc

Changes and depends on equation

4
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How to calculate Kc

  1. Work out equilibrium moles

  2. Work out concentrations of reactants and products at equilibrium (moles/vol)


5
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What does a larger Kc mean

Greater amount of product

6
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What factor changes Kc

ONLY temperature

7
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Effect of temperature on position of Kc

  • if temperature increased, reaction shifts to oppose change favouring endothermic direction

  • Kc gets smaller as fewer products