Topic 7 - Equilibrium

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List four essential facts about systems in equilibrium.

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1

List four essential facts about systems in equilibrium.

  • Its a closed system

  • The forward and reverse reactions occur at the same rate

  • There is not an equal amount reactants and products

  • The concentrations of reactants and products do not change

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2

Does adding a catalyst effect the position of equilibrium? Shift the equilibrium?

No.

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3

What does it mean when the equilibrium constant is

  • larger than 1

  • smaller than 1

  • equal to 1

  • K >> 1 : products are favoured

  • K << 1 : reactants are favoured

  • K = 1 : neither are favoured

<ul><li><p>K &gt;&gt; 1 : products are favoured</p></li><li><p>K &lt;&lt; 1 : reactants are favoured</p></li><li><p>K = 1 : neither are favoured</p></li></ul>
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4

What is the only factor that changes the equilibrium constant K?

Temperature.

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5

List three qualities of a closed system in dynamic equilibrium.

  • Concentrations of reactants and products remain constant

  • The rate of the forward and reverse reactions are equal

  • The macroscopic properties remain the same

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