Energy Diagram

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 is the activation energy of the reverse reaction?

• 75 kJ

• 300 kJ

• 150 kJ

• 225 kJ

Tags

NGSS.HS-PS1-4

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

NGSS.HS-PS1-5

What letter represents the activation energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

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 is the energy of the activated complex?

• 75 kJ

• 225 kJ

• 300 kJ

• 225 kJ

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 change of the heat of the reaction (ΔH)?

• -40 kJ

• -20 kJ

• 100 kJ

• 60 kJ

Tags

NGSS.HS-PS1-4

Which letter represents the activation energy?

• B

• E

• C

• D

Tags

NGSS.HS-PS1-4