Equilibrium in Chemistry 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 the Ka value for a monoprotic weak acid with a concentration of 1 M, and hydronium ion concentration of 0.0050 M?

Question 2 2. What do Ka and Kb values say about acid and base strength?

Question 3 3. The base NH3 dissociates in water to make NH4+ and OH-. What is the conjugate acid?

Question 4 4. 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 5 5. What is Ksp?

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Question 6 6. What is a saturated solution?

Question 7 7. What does Boyle's law state about the role of pressure as a stressor on a system?

Question 8 8. Which of the following statements best describes Le Chatelier's Principle?

Question 9 9. Why is a teeter-totter a good illustration of an equilibrium adjustment between two gas volumes?

Question 10 10. What is a common ion?

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Question 11 11. What is the common ion effect?

Question 12 12. When does a precipitate form?

Question 13 13. How do you calculate the pH of a buffered solution?

Question 14 14. What is a buffer?

Question 15 15. What does a buffer do?

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Question 16 16. What is the equilibrium expression?

Question 17 17. What is a RICE table?

Question 18 18. 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 19 19. Under the premise of a chemical equilibrium, which of the following can be presumed?

Question 20 20. When the reaction quotient is less than the equilibrium constant, in which direction will the reaction proceed?

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Question 21 21. Only species in the _____ state are included in the equilibrium constant calculations. _____ are omitted.

Question 22 22. What is a titration curve?

Question 23 23. When an acid is titrated with a base, the pH _____; when a base is titrated with an acid, the pH _____.

Question 24 24. What factor is most important when determining pH?

Question 25 25. What would the proper axis labels be for a titration curve in which a strong base was titrated with a strong acid?

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Question 26 26. A 60mL HCl solution is titrated with 25mL of a 0.60M KOH solution. What is the concentration of the HCl solution?

Question 27 27. What happens in a neutralization reaction?

Question 28 28. What is the equation for the equilibrium constant of the reaction nA + mB → xC + yD?

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

Equilibrium in Chemistry 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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