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Chemistry Kinetics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What molecule in our bodies is a catalyst?

Question 2 2. What does an increase in temperature do the reaction rate?

Question 3 3. When two or more reactants combine to form one or more products, what has occurred?

Question 4 4. What is the frequency factor?

Question 5 5. What is a catalyst?

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Question 6 6. Which of the following is true about the collision theory?

Question 7 7. What is the rate-determining step?

Question 8 8. When the rate of the forward reaction equals the rate of the reverse reaction, what has occurred?

Question 9 9. Suppose you were teaching a science class to middle school students. Because you want to show them an impressive chemical reaction, you decide to dissolve zinc in hydrochloric acid. You add more acid than usual and throw in pieces of zinc. What factor is not going to impact the reaction rate?

Question 10 10. What is the rate law?

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Question 11 11. Which of the following can impact the reaction rate?

Question 12 12. If a scientist is trying to determine the reaction order for a given reaction, then what's the most effective means to figure it out?

Question 13 13. If you wanted to decrease the rate of reaction, what action would you need to take?

Question 14 14. What does Kf/Kr tell you?

Question 15 15.

For the following reaction, which substance(s) is (are) the reactant(s)?

sodium + chlorine --> sodium chloride

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Question 16 16. Which of the following statements is true about the reaction rate constants?

Question 17 17. The study of reaction rates with regard to chemical reactions is called:

Question 18 18. If a scientist induces a chemical reaction, and finds that the reactants and products exist in a single phase, then what did the scientist observe?

Question 19 19. How does temperature affect reaction rate?

Question 20 20. How is reaction rate measured?

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Question 21 21. What are intermediates?

Question 22 22. What is a reaction mechanism?

Question 23 23. What is the Arrhenius equation?

Question 24 24. Choose the BEST answer that finishes this statement about the collision theory: the speed of chemical reactions is related to:

Question 25 25. What makes the statement 'the presence of a catalyst will slow down a reaction' incorrect?

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Question 26 26. In order for a chemical reaction to take place, what must occur?

Question 27 27. If the exponential factor is close to 1, what is known about the activation energy and temperature?

Question 28 28. How might the exponential factor equal one?

Question 29 29. If we know that manganese dioxide is a catalyst in the decomposition of hydrogen peroxide, then how does manganese dioxide affect this reaction?

Question 30 30.

If you get an equilibrium constant of less than 1 for the chemical reaction below, what does that tell you?

sodium + chlorine --> sodium chloride

Chemistry Kinetics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. You will lose your work if you close or refresh this page. Good luck!

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