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 catalyst increases the activation energy of a reaction. A catalyst decreases the activation energy of a reaction. A catalyst does not affect the activation energy of a reaction. 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 catalyst increases the enthalpy change of a reaction. A catalyst decreases the enthalpy change of a reaction. A catalyst does not affect the enthalpy change of a reaction. It depends on whether you are talking about the forward or the reverse reaction.
400 300 g 200 100 Uncatalyzed Reaction Reaction coordinate products
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 catalyst increases the activation energy of a reaction. |
| A catalyst decreases the activation energy of a reaction. |
| A catalyst does not affect the activation energy of a reaction. |
| 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 catalyst increases the enthalpy change of a reaction. |
| A catalyst decreases the enthalpy change of a reaction. |
| A catalyst does not affect the enthalpy change of a reaction. |
| It depends on whether you are talking about the forward or the reverse reaction. |
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