Endothermic and Exothermic Graphs

What is the Enthalpy  $\Delta H$  for this reaction?

• -200 KJ

• 200 KJ

• 400 KJ

• -300 KJ

How much activation energy is needed for the REVERSE reaction?

• 200 KJ

• 500 KJ

• 400 KJ

• 100 KJ

Are the products or reactants of this reaction storing more energy in their chemical bonds?

• Both storing the same

• No way to tell

• Products

• Reactants

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

Tags

NGSS.HS-PS1-4

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Which type of chemical reaction is depicted on the graph?

• Endothermic

• Exothermic

• both

• neither

What letter represents the activation energy of the forward reaction?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

What letter represents the energy associated with the activated complex reaction?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What letter represents the energy required to activate the reverse reaction?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-4

What letter represents the enthalpy ΔH of the reaction?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS1-4