Potential Energy Diagrams

What letter represents the energy of the products?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

If a catalyst for this reaction was present, which arrows would be affected?

• Arrow A

• Arrow B

• Arrow C

• Arrow D

• Arrows B and C

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

What letter represents the activation energy for the forward reaction?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-4

Is the forward reaction endothermic or exothermic?

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

What is the ΔH of the forward reaction?

• 40 kJ

• 20 kJ

• 80 kJ

• -60 kJ

• -20 kJ

Tags

NGSS.HS-PS1-4

What is the energy of the activated complex?

• 75 kJ

• 225 kJ

• 300 kJ

• 225 kJ

Tags

NGSS.HS-PS1-4

What is the sign of ΔH for all endothermic reactions?

• Positive
• Negative

Tags

NGSS.HS-PS3-1

What is the value of ΔH_rxn for the forward reaction?

• -40 kJ

• -20 kJ

• 100 kJ

• 60 kJ

• 20 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Which letter represents the activation energy for the forward reaction?

• B

• E

• C

• D

• A

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