100 10464 120 Chemistry II AP (UCONN 128) 130 Unit 11 Chemical Kinetics 140 150 11-12 160 170 180 210 211 212 213 214 215 216 220 221 222 223 224 225 226 230 231 232 233 234 235 236 240 241 242 243 244 245 246 250 251 252 253 254 255 256 300 1. How can the rate of a reaction be expressed? 300 2. How can the rate of a reaction be measured? 300 3. Is there a law which defines the rate of reactions? 300 4. Can the order of a reactant in a reaction be determine experimentally? 300 5. What does the overall order of a reaction indicate? 300 6. Can the order of a reaction be determined graphically? 300 7. Is there a formula to determine the half-life for zero, first and second order reactions? 300 8. How can the collision model be used to understand rates of reactions? 300 9. Can the transition state model be used to further understand the kinetics of reactions? 300 10. Can Boltzmann distributions be used to understand the effect of temperature on reaction rates as well as the effect of activation energy? 300 11. How can activation energy be determined graphically? 300 12. Is there an equation which relates temperature, rate constants and activation energy? 300 13. How do catalysts affect reaction rates? 300 14. What is the difference between heterogeneous catalysts and homogeneous catalyst? 300 15. Can reaction mechanisms be used to predict rate laws which have been determined experimentally? 300 16. Can experimental evidence be used to substantiate reaction mechanisms? 300 17. Can kinetics help explain the story behind ozone? 300 400 Methods of expressing reaction rate 400 Graphs indicating rates of reaction 400 Measuring rates of reaction 400 Writing rate laws and determining order of reactions 400 Determining rate laws from experimental evidence 400 Determining the value of rate constants 400 A study of zero, first, second and third order reactions and their graphs 400 The collision model 400 The transition state model 400 Boltzmann distribution graphs 400 The Arrenhius equation 400 Solving for rate constants at different temperatures of for activation energy 400 Catalysis 400 Reaction mechanism and rate laws 400 Mass action expressions 400 The iodination of acetone lab 400 Read the ozone story 400 500 Express a reaction rate in terms of change in concentration 500 Write a theoretical rate law 500 Explain experimental methods of measuring rates 500 Interpret graphs showing changes in concentration over time 500 Given a rate law, state the order of the reaction with respect to each reactant and the overall order 500 Determine the rate law from experimental data 500 Calculate the value of a rate constant in a given rate law and express the rate constant with the proper label 500 Use graphs to determine the order of a reaction 500 Determine the half-life of first and second order reactions 500 Use the collision model to explain effects of temperature or concentration on reaction rate 500 Use the transition state model to explain the effects of geometry and activation energy on reaction rates 500 Draw Boltzmann distribution plots at various temperatures and use these graphs to explain the effect of temperature and activation energy on reaction rates 500 Use a graph to calculate the value of the activation energy for a given reaction 500 Use the 2 point form of the Arrhenius equation to calculate rate constants, temperatures or activation energies 500 Explain the difference between heterogeneous and homogeneous catalysis 500 Prepare a graph showing the effect of a catalyst on a reaction rate 500 Classify elementary processes at unimolecular, bimolecular or termolecular 500 Determine if a mechanism is consistent with the overall reaction 500 Use a mechanism to determine a rate law 500 Resolve which of the given mechanisms is justified by experimental data 500 Use a mass action expression to solve for a rate law when the first step of the mechanism is fast 500 500 600 Discuss various factors that might affect the rate of a reaction and view pictures showing color changes during reactions 600 Observe graphs of concentration vs. time and use them to gain an understanding of reaction rates 600 Endeavor to determine the rate of a reaction by analyzing laboratory data indicating the rate at various concentrations of reactants 600 Use the rate law and the orders determined from experimental data to solve for the value of the rate constant and express the constant with the correct label 600 Use programs and lists in the TI graphing calculators to determine the order of a reaction 600 Once the order of a reaction has been established using the calculator, practice determining the 600 half-life and rate constants 600 Use the collision model and kinetic molecular theory to explain the effect of concentration and temperature on reaction rates 600 Elucidate the limiting effects of geometry on the effectiveness of collisions 600 Use the transition state model to draw graphs showing activation energy and activated complexes 600 Draw Boltzmann distribution graphs illustrating samples at different temperatures and practice marking activation energies and the number of molecules able to produce products 600 Use the 2 point form of the Arrhenius equation to calculate rate constants, temperatures or activation energies 600 Determine activation energy from the slope of a graph 600 Draw lines on potential energy graphs to show the effect of a catalyst on a reaction 600 Explain whether a catalytic converter is a homogeneous or heterogeneous catalyst 600 Coop groups—peer edit advanced study assignment for Experiment 14 Iodination of acetone completed for homework 600 Lab activity—the iodination of acetone 600 Observe the funnel demonstration to visualize the effect of a slow step in a reaction mechanism 600 Establish whether a mechanism actually represents the overall reaction 600 State the molecularity of any elementary process in a mechanism 600 Use experimental data to justify which mechanism might be correct for a reaction 600 Write a rate law based on a given mechanism 600 Use the mass action expression to write a rate law for a mechanism with an initial fast step in order to eliminate intermediates from the rate law 600 600 600 600 700 Advanced study assignments for labs 700 Ability to analyze and interpret data 700 Lab reports including class averages, standard deviation, % error and a written error analysis 700 Problem quizzes 700 Test—problems, essays, short answer and a few multiple choice questions (lab calculations will be covered on the test) 700 700