Factors affecting rates of reaction

Factors
Catalyst, Temperature, Surface Area and Concentration/Pressure
1 of 5
Catalyst
Speeds up a reaction without being used up. It decreases the activation energy so more particles have enough energy to react.
2 of 5
Temperature
Increased temperature means particles move faster which means more collisions and particles collide with more energy.
3 of 5
Surface Area
A larger surface area to volume ratio speeds up a reaction as there is a larger area for particles to collide with.
4 of 5
Concentration/Pressure
A more concentrated solution has more particles and a gas at a higher pressure has more particles in a given volume which equals more collisions
5 of 5

Other cards in this set

Card 2

Front

Speeds up a reaction without being used up. It decreases the activation energy so more particles have enough energy to react.

Back

Catalyst

Card 3

Front

Increased temperature means particles move faster which means more collisions and particles collide with more energy.

Back

Preview of the back of card 3

Card 4

Front

A larger surface area to volume ratio speeds up a reaction as there is a larger area for particles to collide with.

Back

Preview of the back of card 4

Card 5

Front

A more concentrated solution has more particles and a gas at a higher pressure has more particles in a given volume which equals more collisions

Back

Preview of the back of card 5

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Rate of reaction resources »