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Rates of Reaction
| Question | Answer |
|---|---|
| Define the rate of reaction. | The change in concentration per unit time of any one reactant or product |
| Define instantaneous rate of reaction | The rate of reaction at any particular time during the reaction |
| Give 5 factors affecting the rate of a reaction | Nature of the reactants. Catalysts. Particle size. Temperature. Concentration |
| Define a catalyst | A substance which alters the rate of a chemical reaction but is not consumed by it |
| Define an enzyme | A biological catalyst |
| Name 3 types of catalysis | Heterogeneous, homogeneous and auto catalysis |
| What is a catalytic converter and what is it made of? | A device in a car which converts pollutants to less harmful chemicals made of platinum palladium and rhodium. |
| What is a catalyst poison ? | A substance which makes a catalyst inactive |
| What is an effective collision | A collision which results in the formation of products |
| Define activation energy | The minimum amount of energy required for colliding particles to produce reactants |
| What is a reaction profile diagram? | A graph which shows the change in energy of a chemical reaction with respect to time |
Created by:
JackEatonK98
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