Chem 1021 Chapter 7 (9th Edition) (Reaction Rates and Chemical Equilibrium) Optional Study Guide

Chem 1021 Chapter 7 (9th Edition) (Reaction Rates and Chemical Equilibrium) Optional Study Guide

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DR. JIM BLOXTON’S OPTIONAL STUDY GUIDE TO ACCOMPANY CHEM 1021 CHAPTER 7 REACTION RATES AND CHEMICAL EQUILIBRIUM Note: This is an optional study guide. This study guide is not an exhaustive list of questions that could appear on quizzes or exams. These are sample questions that may or may not be used on a quiz or midterm exam or final exam. Other questions that are not found on this study guide will be on actual quizzes, midterm and final exams. It is important to do all of the homework problems that are in your Chem 1021 lecture text in addition to the questions in this study guide. Make sure that you do all of the Chemical Connections homework questions that have assigned. Learn the basic principles and then be prepared to apply the principles to problems that you have not seen before. Note: It is very important to remember that Chemistry is a cumulative topic and that the material that was covered in previous chapters needs to be reviewed as this material will continue to reappear in concepts that are needed to solve new problems. The following questions are to be answered from CHEM 1021 CHAPTER 7 LECTURE TEXT, LECTURE NOTES AND LECTURE SLIDES. 1. What is chemical kinetics? 2. What is the rate of a reaction? 3. How is the rate of a reaction measured? Is the rate of a reaction constant over a long period of time? Explain. 4. What is the initial rate of reaction? Is the change in concentration of product formation directly proportional to time during the initial rate of a reaction? Is the change in concentration of product formation directly proportional to time after the initial rate of a reaction? 5. When is the rate of a reaction the greatest? When does the rate of reaction decrease to zero? 6. Carefully study example 7.1 in the lecture text and do problem 7.1 in the lecture text. 7. What must first happen for two molecules to react? 8. What is an effective collision? 1
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9. Are all collisions effective? Explain. 10. What are the two main reasons why some collesions are effective and other collisions are not effective? 11. What is activation energy? 12. Sketch the energy diagram for an exothermic reaction. Label the axis and include labels for reactants, products, transition state, activation energy and energy of reaction. 13. Sketch the energy diagram for an endothermic reaction. Label the axis and include labels for reactants, products, transition state, activation energy and energy of reaction. 14. What determines if a chemical reaction is exothermic or endothermic? 15. What is the relationship between the energy of reactants and products in an exothermic reaction? 16. What is the relationship between the energy of reactants and products in an endothermic reaction? 17. Will a reaction proceed if the there is not enough energy to overcome the activation
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Chem 1021 Chapter 7 (9th Edition) (Reaction Rates and Chemical Equilibrium) Optional Study Guide

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