Potential Energy Diagrams Worksheet
Explore potential energy diagrams, activation energy, and reaction pathways in chemical reactions.
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Potential Energy Diagrams Worksheet
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Read each question carefully and provide your answers in the space provided. For diagrams, label all necessary parts.
1. Define what a potential energy diagram represents in the context of chemical reactions.
2. Explain the significance of activation energy (Ea) in a potential energy diagram. How does it relate to reaction rate?
Use the potential energy diagram below to answer the following questions.
3. Is the reaction shown in the diagram exothermic or endothermic? Justify your answer.
4. Label the following on the diagram provided: Reactants, Products, Transition State, Activation Energy (Ea), and Enthalpy Change (ΔH).
5. What happens to the activation energy of a reaction when a catalyst is added?
It increases
It decreases
It remains the same
It becomes zero
6. In an reaction, the products have lower potential energy than the reactants.
7. The highest point on a potential energy diagram represents the .
8. A positive ΔH indicates an exothermic reaction.
True
False