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Holt McDougal Modern Chemistry Chapter 17: Reaction 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!

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Question 1 1. What happens to the melting and freezing point of water if salt is added?

Question 2 2. How does an increase in temperature affect the rate of a reaction?

Question 3 3. What is a catalyst?

Question 4 4. What is the rate law?

Question 5 5. What makes the statement 'the presence of a catalyst will slow down a reaction' incorrect?

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Question 6 6. What molecule in our bodies is a catalyst?

Question 7 7. What is a reaction mechanism?

Question 8 8. If we know that manganese dioxide is a catalyst in the decomposition of hydrogen peroxide, then how does manganese dioxide affect this reaction?

Question 9 9. 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 10 10. How is reaction rate measured?

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Question 11 11. How might the exponential factor equal one?

Question 12 12. If the boiling point of water increases with the addition of salt, how long would it take to boil pasta if you add a TON of salt?

Question 13 13. What does an increase in temperature do to the reaction rate?

Question 14 14. If you wanted to decrease the rate of reaction, what action would you need to take?

Question 15 15. What is the Arrhenius equation?

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Question 16 16. The ability to do work is defined as ...

Question 17 17. 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 18 18. In the rate law (Rate = k x A), what does the A stand for?

Question 19 19. If the exponential factor is close to 1, what is known about the activation energy and temperature?

Question 20 20. What does the k stand for in the rate law equation?

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Question 21 21. What accounts for the added heat energy when water boils?

Question 22 22. What is an activated complex?

Question 23 23. What is the rate-determining step?

Question 24 24. What does the m stand for in the rate law equation?

Question 25 25. 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?

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Question 26 26. What happens to the temperature of water as it boils?

Question 27 27. What are intermediates?

Question 28 28. In the reaction A = B, if the rate quadruples for every doubling of A, then what is the reaction order?

Question 29 29. What is the frequency factor?

Question 30 30. 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?

Holt McDougal Modern Chemistry Chapter 17: Reaction Kinetics 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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