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Chapter 7: 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. Which of the following equations is balanced?

Question 2 2. In covalently bonded molecules, oxidation and reduction are determined by:

Question 3 3. If you wanted to decrease the rate of reaction, what action would you need to take?

Question 4 4. In general, what do Ksp values tell us about the solubility of a compound under the designated conditions?

Question 5 5.

Consider the reaction:

Mg +CuCl2 = MgCl2 + Cu

Which type of reaction is shown above?

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Question 6 6. What do the letters I, C, and E stand for in a RICE table?

Question 7 7. An example of an exothermic reaction is:

Question 8 8. A reaction that occurs spontaneously is called what?

Question 9 9. Identify which general equation is a combination reaction.

Question 10 10. Chemical reactions are _____.

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Question 11 11. What does the reaction quotient determine?

Question 12 12. Which of the following is correctly labeled.

Question 13 13. What does it mean when the enthalpy change for a reaction is negative?

Question 14 14. What is a saturated solution?

Question 15 15. The correct equation for finding the equilibrium constant is:

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Question 16 16. How is reaction rate measured?

Question 17 17. Oxidation describes the process of:

Question 18 18. Compound X is converted to elements A and B. Compound X has undergone a _____ reaction.

Question 19 19. _____ provides electrons during cellular respiration so that _____, a series of compounds that pass electrons from one to another, can produce energy in the form of ATP.

Question 20 20. An endothermic reaction is:

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Question 21 21. For the reaction A + B makes product C, what is the reaction quotient if the amount of A is 2, B is 3 and C is 8?

Question 22 22. What is a coefficient?

Question 23 23. What does an increase in temperature do to the reaction rate?

Question 24 24. What is chemical equilibrium?

Question 25 25.

Choose the correctly balanced equation for the following reaction:

Sodium + water → sodium hydroxide + hydrogen gas

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Question 26 26. If dissolving carbon dioxide in water to form carbonic acid is the forward reaction, what is the reverse reaction that balances this reaction in chemical equilibrium?

Question 27 27. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 28 28. What do the brackets indicate in an equilibrium equation?

Question 29 29. What do you NOT keep track of in a RICE table?

Question 30 30. The reactant in a redox reaction that readily donates electrons is called a/an:

Chapter 7: 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!

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