Copyright

MTLE Chemistry: Chemical Equilibrium 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. What is chemical equilibrium?

Question 2 2. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Question 3 3. What is the equilibrium expression?

Question 4 4. Which of the following is true about the equilibrium constant?

Question 5 5. What do you NOT keep track of in a RICE table?

Page 2

Question 6 6. A student is filling out a RICE table, and for one substance they know the value of I and the value of E. How would the student determine the value of C for this substance?

Question 7 7. What is a RICE table?

Question 8 8. What do the brackets indicate in an equilibrium equation?

Question 9 9. When does a precipitate form?

Question 10 10. What is a saturated solution?

Page 3

Question 11 11. When the reaction quotient is greater than the equilibrium constant, in which direction will the reaction proceed?

Question 12 12. An example of a reversible reaction is shown by which of the following?

Question 13 13. What is a common ion?

Question 14 14. What is Ksp?

Question 15 15. 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?

Page 4

Question 16 16. What is the net effect of the common ion?

Question 17 17. When the reaction quotient is less than the equilibrium constant, in which direction will the reaction proceed?

Question 18 18. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 19 19. What do the letters I, C, and E stand for in a RICE table?

Question 20 20. In general, what do Ksp values tell us about the solubility of a compound under the designated conditions?

Page 5

Question 21 21. What will be the result if heat is added to an endothermic reaction?

Question 22 22. If you have a solution in equilibrium containing Cl- ions and you added NaCl to the solution, what is going to happen?

Question 23 23. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

Question 24 24. Under the premise of a chemical equilibrium, which of the following can be presumed?

Question 25 25. Which of the following is true about the reaction quotient?

Page 6

Question 26 26. Calculate the value of the equilibrium constant, K, for the system below, if 0.0954 moles of CO2, 0.0454 moles of H2, 0.0046 moles of CO, and 0.0046 moles of H2O vapor were present in a 1.00 L reaction vessel at equilibrium.

Question 27 27. What is the common ion effect?

Question 28 28. Why is a teeter-totter a good illustration of an equilibrium adjustment between two gas volumes?

Question 29 29. Which of the following statements best describes Le Chatelier's Principle?

Question 30 30. When is something considered soluble?

MTLE Chemistry: Chemical Equilibrium 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