AP Chemistry: 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!

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Question 1 1. A + B is in equilibrium with AB. If concentration of A is 2, the concentration of B is 4 and the concentration of AB is 8, what is the Keq?

Question 2 2. When does a precipitate form?

Question 3 3. What do the letters I, C, and E stand for in a RICE table?

Question 4 4. What is the common ion effect?

Question 5 5. Write the Ka formula for the reaction HCl + H2O --> H3O+ + Cl-

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Question 6 6. What will be the result if heat is added to an endothermic reaction?

Question 7 7. What is a titration curve?

Question 8 8. What is the formula for calculating pH?

Question 9 9. 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 10 10. Which of the following statements best describes Le Chatelier's Principle?

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Question 11 11. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Question 12 12. What is the Kb of a reaction if [BH+] = 2, [OH-] = 4.5 and the [B] = 3 ?

Question 13 13. How do you determine pH?

Question 14 14. What is the equilibrium expression?

Question 15 15. How do you determine a point on a titration curve?

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Question 16 16. What is a millimole?

Question 17 17. What is titration?

Question 18 18. What is a RICE table?

Question 19 19. What is a common ion?

Question 20 20. 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?

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Question 21 21. What is a buffer?

Question 22 22. 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 23 23. How are the titrant and standard solution related?

Question 24 24. Why is a teeter-totter a good illustration of an equilibrium adjustment between two gas volumes?

Question 25 25. How do you calculate the pH of a buffered solution?

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Question 26 26. If you have a solution in equilibrium containing Cl- ions and you added NaCl to the solution, what is going to happen?

Question 27 27. What do the brackets indicate in an equilibrium equation?

Question 28 28. What is the net effect of the common ion?

Question 29 29. Which of the following is correctly labeled.

Question 30 30. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

AP Chemistry: 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!

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