Unit 4 Section 1 Kinetics and Equilibria Glossary

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Rate Constant, k
A constant in the rate equation. The larger it is the faster the rate of reaction.
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Rate-determining Step
The slowest step in a reaction mechanism which determines the overall rate of reaction.
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Dynamic Equilibrium
When the forwar and backward reactions of a reversible reaction are happening at exactly the same rate, so the concentration of reactants and products doesn't change.
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Equilibrium Constant, Kc
A ratio worked out from the concentration of the products and reactants once a reversible has reached equilibrium.
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Le Chatelier's Principle
If there's a change in concentration, pressure or temperature, an equilibrium will be move to help counteract the change.
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Other cards in this set

Card 2

Front

The slowest step in a reaction mechanism which determines the overall rate of reaction.

Back

Rate-determining Step

Card 3

Front

When the forwar and backward reactions of a reversible reaction are happening at exactly the same rate, so the concentration of reactants and products doesn't change.

Back

Preview of the back of card 3

Card 4

Front

A ratio worked out from the concentration of the products and reactants once a reversible has reached equilibrium.

Back

Preview of the back of card 4

Card 5

Front

If there's a change in concentration, pressure or temperature, an equilibrium will be move to help counteract the change.

Back

Preview of the back of card 5

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