Rate of Reaction

How does concentration affect the rate of reaction?

• Increasing concentration increases the rate

• Increasing concentration decreases the rate

Why does increasing concentration increase the rate of reaction? Tick all correct options.

• There is a lower activation energy

• There are more particles in the same volume

• There are more frequent collisions

• The particles have a higher surface area

How does surface area affect the rate of reaction?

• Increasing surface area increases the rate

• Increasing concentration decreases the rate

Why does increasing surface area increase the rate of reaction? Tick all correct options.

• There is a lower activation energy

• There are more particles in the same volume

• There are more frequent collisions

• The particles have a higher surface area

How does temperature affect the rate of reaction?

• Increasing temperature increases the rate

• Increasing concentration decreases the rate

Why does increasing temperature increase the rate of reaction? Tick all correct options.

• There is a lower activation energy

• The particles have higher energy

• There are more frequent collisions

• The particles have a higher surface area

How do catalysts affect the rate of reaction?

• Adding a catalyst increases the rate

• Adding a catalyst decreases the rate

Why does adding a catalysts increase the rate of reaction? Tick all correct options.

• There is a lower activation energy

• The particles have higher energy

• There are more frequent collisions

• The particles have a higher surface area

This equipment could be used to measure the rate of what type of reaction?

• One that produces a gas

• One that produces a solid

• One that has a colour change

Which of these are the activation energy?

• A

• B

• C

• D