Potential Energy Diagram

If a catalyst were added, which arrow(s) would NOT change? (more than one answer)

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-4

What letter represents the activation energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Is this reaction endothermic or exothermic?

• endothermic 

• exothermic

Tags

NGSS.HS-PS1-4

What is the ΔH of this reaction?

• 40 kJ

• 20 kJ

• 80 kJ

• -60 kJ

Tags

NGSS.HS-PS1-4

What letter represents ΔH?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What is the activation energy?

• 40 kJ

• 20 kJ

• 100 kJ

• 60 kJ

Tags

NGSS.HS-PS1-4

What is the PE of the reactants?

• 100 kJ

• 175 kJ

• 50 kJ

• 75 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What is the PE of the products?

• 100 kJ

• 175 kJ

• 50 kJ

• 75 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What is the change of the heat of the reaction (ΔH)?

• 100 kJ

• -175 kJ

• -50 kJ

• 75 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What does a potential energy diagram represent in a chemical reaction?

• The energy changes during a reaction

• The speed of the reaction

• The color change in a reaction

• The mass of reactants and products

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1