MTLE Chemistry: Chemical Reactions 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. Consider the following reaction: ABC + energy = AB + BC. Which type of reaction is this?

Question 2 2. When two non-metals react, what do they form?

Question 3 3. Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.

Question 4 4. Which type of reaction always requires oxygen to be a reactant?

Question 5 5. What is the rate-determining step?

Page 2

Question 6 6. 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 7 7. What is an activated complex?

Question 8 8. Identify which general equation is a combination reaction.

Question 9 9. Which of the following is a double-replacement reaction?

Question 10 10. What is the Arrhenius equation?

Page 3

Question 11 11. What is the rate law?

Question 12 12. What is an exothermic reaction?

Question 13 13. 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 14 14. Which of the following equations is exothermic?

Question 15 15. What is a reaction mechanism?

Page 4

Question 16 16. What does an increase in temperature do to the reaction rate?

Question 17 17. Which of the following shows a net ionic equation?

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

Question 19 19. If we know that manganese dioxide is a catalyst in the decomposition of hydrogen peroxide, then how does manganese dioxide affect this reaction?

Question 20 20. 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?

Page 5

Question 21 21. What molecule in our bodies is a catalyst?

Question 22 22. What are solubility rules?

Question 23 23. Which of the following can impact the reaction rate?

Question 24 24.

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

sodium + chlorine --> sodium chloride

Question 25 25. The study of reaction rates with regard to chemical reactions is called:

Page 6

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

Question 27 27. What is the frequency factor?

Question 28 28. What does the m stand for in the rate law equation?

Question 29 29. How is reaction rate measured?

Question 30 30. When the rate of the forward reaction equals the rate of the reverse reaction, what has occurred?

MTLE Chemistry: Chemical Reactions 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!

MTLE Chemistry: Practice & Study Guide  /  Science Courses
Support