Potential Energy Diagram Revised

What letter represents the energy of the products?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

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

How much energy was required to start the forward reaction?

• 75 kJ

• 225 kJ

• 300 kJ

• 225 kJ

What is the activation energy of the reverse reaction?

• 75 kJ
• 300 kJ
• 150 kJ
• 225 kJ

Tags

NGSS.HS-PS1-4

How much potential energy(enthalpy) do the products of the reverse reaction have?

• 225 kJ

• 300 kJ

• 75 kJ

• 250 kJ

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