Reaction Rates in Chemistry 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 does the k stand for in the rate law equation?

Question 2 2. 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 3 3. What does the m stand for in the rate law 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 the rate law?

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Question 6 6. How is reaction rate measured?

Question 7 7. If you wanted to decrease the rate of reaction, what action would you need to take?

Question 8 8. What makes the statement 'the presence of a catalyst will slow down a reaction' incorrect?

Question 9 9. What does an increase in temperature do to the reaction rate?

Question 10 10. 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?

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Question 11 11. What is an activated complex?

Question 12 12. What is activation energy?

Question 13 13. If we know that manganese dioxide is a catalyst in the decomposition of hydrogen peroxide, then how does manganese dioxide affect this reaction?

Question 14 14. What is a catalyst?

Question 15 15. What molecule in our bodies is a catalyst?

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Question 16 16. What is a reaction mechanism?

Question 17 17. What are intermediates?

Question 18 18. What is the rate-determining step?

Question 19 19. 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 20 20. In the rate law (Rate = k x A), what does the A stand for?

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Question 21 21. How does an increase in temperature affect the rate of a reaction?

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

Question 23 23. What is the Arrhenius equation?

Question 24 24. If the exponential factor is close to 1, what is known about the activation energy and temperature?

Question 25 25. What is the frequency factor?

Reaction Rates in Chemistry 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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