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MTEL Middle School Math/Science: 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. What is titration?

Question 2 2. An example of a reversible reaction is shown by which of the following?

Question 3 3. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 4 4. What is the equilibrium expression?

Question 5 5. What is the common ion effect?

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Question 6 6. What factor is most important when determining pH?

Question 7 7. What is Ksp?

Question 8 8. Which of the following is true about the equilibrium constant?

Question 9 9. What will be the result if heat is added to an endothermic reaction?

Question 10 10. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

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Question 11 11. What do you NOT keep track of in a RICE table?

Question 12 12. Which of the following is true about the reaction quotient?

Question 13 13. What happens if a base is added to a buffered solution?

Question 14 14. What is a titration curve?

Question 15 15. What is chemical equilibrium?

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Question 16 16. 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 17 17. Under the premise of a chemical equilibrium, which of the following can be presumed?

Question 18 18. What is the net effect of the common ion?

Question 19 19. What is a buffer?

Question 20 20. What is NOT true about buffered solutions that is true about other solutions in equilibrium?

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Question 21 21. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Question 22 22. What type of titration has an equivalence point above pH 7?

Question 23 23. Where does the equivalence point occur on a titration curve for a strong acid/strong base titration?

Question 24 24. What is a RICE table?

Question 25 25. If you have a solution in equilibrium containing Cl- ions and you added NaCl to the solution, what is going to happen?

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Question 26 26. Why is a teeter-totter a good illustration of an equilibrium adjustment between two gas volumes?

Question 27 27. What does a buffer do?

Question 28 28. When the reaction quotient is less than the equilibrium constant, in which direction will the reaction proceed?

Question 29 29. 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 30 30. Which of the following statements best describes Le Chatelier's Principle?

MTEL Middle School Math/Science: 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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