Chemical Changes

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  • Created by: 3mily05
  • Created on: 17-10-19 16:23
Equilibrium:
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Reversible Reaction
A chemical reaction where the products can turn back into the reactants.
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Dynamic Equilibrium
When the forwards and backwards reactions happen at the same rate in a closed system.
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Le Charteliers principle
A reaction at equilibrium will act to oppose any change made to it.
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The effect of changing conditions on equilibrium:
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Concentration-Increase
Position of equilibrium shifts to the right to increase the yield of products.
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Concentration-Decrease
Position of equilibrium shifts to the left to decrease yield of products
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Temperature-Increase
Position of equilibrium shifts to the right in favor of the endothermic reactions decreasing the yield of products.
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Temperature-Decrease
Position of equilibrium shifts to the left in favor of the exothermic reactions decreasing the yield of products.
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Pressure-Increase
Position of equilibrium shifts to the right as this is the side with the fewest moles so increase in yield products.
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Pressure-Decrease
Position of equilibrium shifts to the left as this is the side with the most moles so decrease in yield of products.
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Other cards in this set

Card 2

Front

A chemical reaction where the products can turn back into the reactants.

Back

Reversible Reaction

Card 3

Front

When the forwards and backwards reactions happen at the same rate in a closed system.

Back

Preview of the back of card 3

Card 4

Front

A reaction at equilibrium will act to oppose any change made to it.

Back

Preview of the back of card 4

Card 5

Front

...

Back

Preview of the back of card 5
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