Kinetics Unit Review (AP)

The minimum amount of enery needed by the reactant to form the activated complex and lead to a reaction is known as the activation energy

• True

• False

Which of the following statements about a catalyst is true?

• A catalyst can initiate a reaction

• A catalyst can accelerate a reaction

• A catalyst can be consumed during a reaction

• A catalyst can be changed during a reaction

Which of the following factors does NOT affect the rate of the reaction?

• the amount of the reactants

• the physical state of the reactants

• the size of the container used

• temperature

A(n) ____ exists in the same physical state as that of the reaction it catalyzes.

• heterogeneous catalyst

• homogeneous catalyst

• inhibitor

• product

A/An ___is a substance that increases the rate of a chemical reaction.

• catalyst

• inhibitor

• reactant

• product

A/An ___ is a substance that slows down the rate of a reaction.

• catalyst

• inhibitor

• reactant

• product

A(n) ___ exists in a physical state different than that of the reaction it catalyzes.

• heterogeneous catalyst

• homogeneous catalyst

• inhibitor

• product

A/An ___ lowers the activation energy required for a reaction to take place.

• catalyst

• inhibitor

• reactant

• product

The sequence of steps that occurs in a reaction process is called the.

• order of the reaction

• rate law

• overall reaction

• reaction mechanism

A collision requires __ to be effective.

• only enough energy

• favorable orientation

• enough energy and favorable orientation

• a reaction mechanism