Rates Of Reactions Flashcards
1
Q
Rate of reaction
A
The change in concentration per unit time
2
Q
Effective Collision
A
One that results in the formation of products
3
Q
Activation Energy
A
Is the minimum energy required for a reaction to occur
4
Q
Factors that affect rate (5)
A
- Nature of reactants
- Concentration
- Particle size
- Temperature
- Catalyst
5
Q
Catalyst
A
Is a substance that alters the rate of a chemical reaction but is not consumed in the reaction
6
Q
Homogenous Catalysis
A
Both reactants and catalyst in the same physical state.
7
Q
Heterogenous Catalysis
A
Reactants and catalyst are in different physical states
8
Q
Autocatalysis
A
One of the products of a reaction catalyses the reaction
9
Q
Catalytic Converter
A
Converts environmentally harmful gases into harmless gases
