Potential Energy Diagrams

What letter represents the energy of the products?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What letter represents the activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What letter represents ΔH?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What is the sign of ΔH for all endothermic reactions?

• Positive
• Negative

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 change of the heat of the reaction (ΔH)?

• -40 kJ

• -20 kJ

• 100 kJ

• 60 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What type of reaction is this?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

Which interval represents the potential energy of the reactants in this diagram?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Which interval represents the potential energy of the products?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What does A + B represent?

• Reactants

• Products

• Activation Energy

• Heat of reaction

Tags

NGSS.HS-PS1-4