Rates of Reaction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Define the rate of reaction. | The change in concentration per unit time of any one reactant or product
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| Define instantaneous rate of reaction | The rate of reaction at any particular time during the reaction
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| Give 5 factors affecting the rate of a reaction | Nature of the reactants.
Catalysts.
Particle size.
Temperature.
Concentration
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| Define a catalyst | A substance which alters the rate of a chemical reaction but is not consumed by it
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| Define an enzyme | A biological catalyst
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| Name 3 types of catalysis | Heterogeneous, homogeneous and auto catalysis
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| 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.
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| What is a catalyst poison ? | A substance which makes a catalyst inactive
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| What is an effective collision | A collision which results in the formation of products
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| Define activation energy | The minimum amount of energy required for colliding particles to produce reactants
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| What is a reaction profile diagram? | A graph which shows the change in energy of a chemical reaction with respect to time
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Created by:
JackEatonK98
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