Activation Energy and Catalyst

Which vocab term best describes the idea that atoms, ions, and molecules must collide in order to react?

• Collision Theory

• Activation Energy

• Catalyst Theory

• Exergonic Procedure

Tags

NGSS.HS-PS1-5

Which factors help explain why so many collision fail to produce products? (Mark all that apply.)

• Number of Collisions

• Orientation

• Activation Energy

• Energy Released by Reaction

Where is the activated complex located on an Ech line graph?

• The highest point of the graph.

• The lowest point of the graph.

• The left side of the graph.

• The right side of the graph.

Tags

NGSS.HS-PS1-4

Which vocab term best describes the minimum energy reactant particles must have in order to undergo the reaction?

• Collision Theory

• Activation Energy

• Catalyst Theory

• Endothermic Procedure

How is the energy released by the reaction shown on this graph?

• Line A

• Line B

• Line C

• The difference between Line A and Line B

• The difference between Line B and Line C

Tags

NGSS.HS-PS1-4

How is the activation energy shown on this graph?

• Line A

• Line B

• Line C

• The difference between Line A and Line B

• The difference between Line A and Line C

Tags

NGSS.HS-PS1-4

How is a catalyst different from a reactant?

• Adding more catalyst speeds up the rate of the reaction.

• The catalyst is not used up in the reaction.

• Adding more catalyst slows down the rate of the reaction.

• The catalyst increases the activation energy of the reaction.

Tags

NGSS.HS-PS1-5

How would adding a catalyst change this graph?

• Lower Line A

• Lower Line B

• Raise Line C

• Raise Line A

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Which of the following are ways in which an inhibitor can act? (Mark all that apply.)

• Raise the activation energy of a reaction.

• Destroy a catalyst.

• Bind to a catalyst.

• Lower the activation energy of a reaction.

Which of the following are ways to increase the speed of a reaction? (Mark all that apply.)

• Raise the temperature.

• Add a catalyst.

• Add more reactants.

• Add more products.

• Add an inhibitor.

Tags

NGSS.HS-PS1-5