Rates of 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!

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Question 1 1.

For the following reaction, which substance(s) is (are) the reactant(s)?

sodium + chlorine --> sodium chloride

Question 2 2. What does Kf/Kr tell you?

Question 3 3.

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

Question 5 5. Which of the following statements is true about the reaction rate constants?

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Question 6 6. The study of reaction rates with regard to chemical reactions is called:

Question 7 7. An elementary step of a chemical reaction has a molecularity of 4. What is the reaction order of this step?

Question 8 8. The reaction rate is proportional to the concentration(s) of reactant(s) raised to a certain power, called the _____.

Question 9 9. A chemical reaction is known to occur in three elementary steps. What can we say about the order for the chemical reaction?

Question 10 10.

Consider the following elementary step of a chemical reaction: 2A + B → C

What is the molecularity of this step?

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Question 11 11. A chemical reaction that occurs in exactly one step is called _____.

Question 12 12. What is a dipole-dipole force?

Question 13 13. Substances in which phase of matter have the most space between particles?

Question 14 14. Which of the following is most likely to lead to a phase change?

Question 15 15. In the broadest sense, what was the Kinetic Molecular Theory designed to explain?

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Question 16 16. Which of the following is NOT a characteristic of solid particles?

Rates of 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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