Rates of Reactions

In a chemical reaction the ​ (a)   must ​ (b)   with each other with sufficient ​ (c)   and in the correct ​ (d)   for the reaction to take place.

• reactants
• collide
• energy
• orientation
• products
• merge
• location

Increases the frequency of collisions? (select all correct)

• Increasing Temperature

• Increasing Concentration

• Increasing Surface Area

• Adding a Catalyst

• Increasing Pressure

Increases the number of successful collisions? (select all correct)

• Increasing Temperature

• Increasing Concentration

• Increasing Surface Area

• Adding a Catalyst

• Increasing Pressure

Catalysts ​ (a)   the rate of reactions by ​ (b)   the activation energy

• increase
• lowering
• decreasing
• raising

Label the diagram

a

b

c

d

Activation Energy

Total Energy Change

Reactants

Products

Select the box that represents what will happen to the activation energy when a catalyst is added

Match the following

• Increasing Concentration

• Increases frequency and no. successful collisions

• Adding a Catalyst

• Increases no. successful collisions only

• Increasing Temperature

• Increases the frequency of collisions

Which point has the fastest rate of reaction?

Which point has highest concentration of reactants?

Which point has shows when one of the reactants has been used up??