It is time to practice using potential energy diagrams. Respond to the three questions below on energy diagrams and submit to your instructor.
1.Consider the potential energy diagram shown below. This graph shows the chemical potential energy in a reaction system over time. The y–axis is potential energy in kilojoules. The x–axis is the reaction progress, or time.

a.Does this graph represent an endothermic or an exothermic reaction? Explain your answer.
b.What is the enthalpy change, ΔH, for this reaction? Show your work.
c. What is the activation energy, Ea, for this reaction? Show

Question

It is time to practice using potential energy diagrams. Respond to the three questions below on energy diagrams and submit to your instructor.
1.Consider the potential energy diagram shown below. This graph shows the chemical potential energy in a reaction system over time. The y–axis is potential energy in kilojoules. The x–axis is the reaction progress, or time.


  a.Does this graph represent an endothermic or an exothermic reaction? Explain your answer.
b.What is the enthalpy change, ΔH, for this reaction? Show your work.
c. What is the activation energy, Ea, for this reaction? Show

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