| A | B |
|---|
| equilibrium | when no net change occurs between the reactants and products |
| dynamic equilibrium | a system in which opposite actions are taking place at the same rate |
| soluble | state of a compound when it dissolves in a liquid |
| insoluble | state of a compound when it does NOT dissolve in a liquid |
| activation energy | the amount of energy particles of reactants must have when they collide in order for a change to take place |
| concentration | the amount of substance present in a certain volume |
| limiting reactant | the substance of which there is not enough available in a reaction |
| catalyst | a substance that speeds up the rate of a reaction without being permanently changed or used up itself |
| enzyme | a biological catalyst |
| inhibitor | a substance that slows down a reaction |
