Question

Part A

What is the value of the activation energy of the uncatalyzed reaction?

Express your answer to three significant figures and include the appropriate units.

Part B

What is the value of the enthalpy change of the uncatalyzed reaction?

Express your answer to three significant figures and include the appropriate units.

Part C

What is the value of the activation energy of the uncatalyzed reaction in reverse?

Part D

What is the value of the enthalpy change of the uncatalyzed reaction in reverse?

Express your answer to three significant figures and include the appropriate units.

Part E

How does the presence of a catalyst affect the activation energy of a reaction?

How does the presence of a catalyst affect the activation energy of a reaction?

A. A catalyst increases the activation energy of a reaction.

B. A catalyst decreases the activation energy of a reaction.

C. A catalyst does not affect the activation energy of a reaction.

D. It depends on whether you are talking about the forward or the reverse reaction.

Part F

How does the presence of a catalyst affect the enthalpy change of a reaction?

How does the presence of a catalyst affect the enthalpy change of a reaction?

A.A catalyst increases the enthalpy change of a reaction.

B.A catalyst decreases the enthalpy change of a reaction.

C.A catalyst does not affect the enthalpy change of a reaction.

D.It depends on whether you are talking about the forward or the reverse reaction.