reverse and forward energy diagrams

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 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 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

NGSS.HS-PS3-4

Which letter represents the activation energy?

• B
• E
• C
• D

Tags

NGSS.HS-PS1-4

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

What letter represents the activation energy?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4