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Kinetics: Homework Help 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!

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

Question 2 2. If we know that manganese dioxide is a catalyst in the decomposition of hydrogen peroxide, then how does manganese dioxide affect this reaction?

Question 3 3. What is the Arrhenius equation?

Question 4 4. In the reaction A = B, if the rate quadruples for every doubling of A, then what is the reaction order?

Question 5 5. What is an activated complex?

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Question 6 6. What does the k stand for in the rate law equation?

Question 7 7. 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 8 8. 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 9 9. In the rate law (Rate = k x A), what does the A stand for?

Question 10 10. How is reaction rate measured?

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Question 11 11. What are intermediates?

Question 12 12. What molecule in our bodies is a catalyst?

Question 13 13. How is increased pressure related to reaction rates?

Question 14 14. What is the rate law?

Question 15 15. What does the m stand for in the rate law equation?

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Question 16 16. What is a reaction mechanism?

Question 17 17. What is the frequency factor?

Question 18 18. What does an increase in temperature do to the reaction rate?

Question 19 19. Why is a collision between molecules usually necessary for a reaction to take place?

Question 20 20. What is the rate-determining step?

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Question 21 21. If a chemical reaction has an activation energy of 500 J, and its reactants are assembled with 250 J of energy, what will happen? Why?

Question 22 22. How might the exponential factor equal one?

Question 23 23. How does an increase in temperature affect the rate of a reaction?

Question 24 24. What is a catalyst?

Question 25 25. 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?

Kinetics: Homework Help Chapter 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!

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