Copyright

Equilibrium in Chemistry: Homework Help 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. How do you determine a point on a titration curve?

Question 2 2. What is a common ion?

Question 3 3. What is the equilibrium expression?

Question 4 4. Which of the following statements best describes Le Chatelier's Principle?

Question 5 5. 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?

Page 2

Question 6 6. The correct equation for finding the equilibrium constant is:

Question 7 7. What is a titration curve?

Question 8 8. What will be the result if heat is added to an endothermic reaction?

Question 9 9. What happens if a base is added to a buffered solution?

Question 10 10. What is a saturated solution?

Page 3

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

Question 12 12. 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 13 13. What does a buffer do?

Question 14 14. Why is a teeter-totter a good illustration of an equilibrium adjustment between two gas volumes?

Question 15 15. An example of a reversible reaction is shown by which of the following?

Page 4

Question 16 16. What is a millimole?

Question 17 17. What is the formula for calculating pH?

Question 18 18. What will happen if a chemical reaction system is stressed by an increase in the concentration of reactants?

Question 19 19. Write the Ka formula for the reaction HCl + H2O --> H3O+ + Cl-

Question 20 20. When is something considered soluble?

Page 5

Question 21 21. How do you calculate the pH of a buffered solution?

Question 22 22. When does a precipitate form?

Question 23 23. What is a buffer?

Question 24 24. What do the letters I, C, and E stand for in a RICE table?

Question 25 25. What is NOT true about buffered solutions that is true about other solutions in equilibrium?

Page 6

Question 26 26. What is a RICE table?

Question 27 27. What is the formula for calculating Kb?

Question 28 28. 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 29 29. What happens in a neutralization reaction?

Question 30 30. What is the net effect of the common ion?

Equilibrium in Chemistry: Homework Help 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!

College Chemistry: Homework Help Resource  /  Science Courses
Support