Chapter 15: Chemical Kinetics

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Chapter Objectives


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  1. Describe how the rate of a reaction is related to the rate of disappearance of a reactant or formation of a product.

  2. Explain how to obtain the data needed for a kinetic study from the results of a simple chemical analysis.

  3. Establish the rate of a chemical reaction from the slope of a tangent line to the concentration vs. time graph. Also explain how to determine the initial rate.

  4. State the meaning of reaction order and determine the order of a reaction from a rate law.

  5. Apply the method of initial rates to determine the rate law for a reaction.

  6. Use the rate law and rate data to calculate a rate constant, k, or use the rate law and rate constant to calculate rate data.

  7. Apply the integrated rate law. Establish, through rate data, equations, and graphs, whether a reaction is zero order, first order, or second order.

  8. Determine the half-life of a reaction that is first-order, or second-order.

  9. Describe the collision theory of reactions, stating the factors that affect collision frequency and those that lead to favorable collisions.

  10. Explain the concept of activation energy.

  11. Show how transition-state theory extends the theoretical explanation of chemical kinetics.

  12. Use the Arrhenius equation in calculations involving rate constants, temperatures, and activation energies.

  13. Describe the role of a catalyst and explain the difference between homogeneous and heterogeneous catalysis.

  14. Describe a reaction mechanism, and distinguish between elementary processes and a new chemical reaction.

  15. Describe the concepts of a steady-state condition and the rate-determining step for a reaction mechanism.


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