Chemical Dynamics & Reaction Rates 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. Which of the following can impact the reaction rate?

Question 2 2. Which of the following is true about the collision theory?

Question 3 3. In order for a chemical reaction to take place, what must occur?

Question 4 4. How is reaction rate measured?

Question 5 5. If you wanted to decrease the rate of reaction, what action would you need to take?

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Question 6 6. What does an increase in temperature do to the reaction rate?

Question 7 7. What is the frequency factor?

Question 8 8. How does an increase in temperature affect the rate of a reaction?

Question 9 9. If the exponential factor is close to 1, what is known about the activation energy and temperature?

Question 10 10. A homogenous catalyst

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Question 11 11. Which of the following molecules is most likely to be an enzyme?

Question 12 12. The Activation Energy of a reaction

Question 13 13. In general, what do Ksp values tell us about the solubility of a compound under the designated conditions?

Question 14 14. What is Ksp?

Question 15 15. When is something considered soluble?

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Question 16 16. 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 17 17. In the reaction A = B, if the rate quadruples for every doubling of A, then what is the reaction order?

Question 18 18. What does the m stand for in the rate law equation?

Question 19 19. When a bond forms, energy is given off to the surroundings. This is an example of

Question 20 20. What does it mean when the enthalpy change for a reaction is negative?

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Question 21 21. An example of an exothermic reaction is:

Question 22 22. What is the rate-determining step?

Question 23 23. What is a reaction mechanism?

Question 24 24. In the rate law (Rate = k x A), what does the A stand for?

Question 25 25. Choose the BEST answer that finishes this statement about the collision theory: the speed of chemical reactions is related to:

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Question 26 26. 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 27 27. How might the exponential factor equal one?

Question 28 28. A catalyst found in nature (a biochemical catalyst) is called

Question 29 29. What is the Ksp of the reaction AB = A + B if the solution contains 0.2 mol/L of A ions and 0.2 mol/L of B ions?

Question 30 30. What is the rate law?

Chemical Dynamics & Reaction Rates 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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