Michgan State University

CEM152 - Principles of Chemistry II

Spring 2009

Prep Questions for Midterm Exam 4

Textbook sections 17.4 to 20.9

Topic: Solubility and Precipitation (03/27/09)

1. Estimate K_sp for Compound in Basic Solution
2. Solubility of Fe (II) hydroxide
3. Solubility of Fe(II) with Common Ion
4. Precipitation of Fe (II) hydroxide

5. Fundamentals of Thermodynamic Systems
6. Transfer of Matter, Heat, and Work Across System Boundary
7. Determine Internal Energy Change
8. Calculate Work Done in Lifting
9. Work Done On or By System
10. Specific Heat Calculation
11. Primer on Enthalpies
12. Reaction Enthalpies
13. Determine Enthalpy of Formation for Aluminum Oxide
14. Determine Heat Released in Combustion of Methane

15. Thermodynamic Quantities and Their Relation to Spontaneity
16. Thermodynamics of a Gliding Hockey Puck

17. Primer on the Second Law of Thermodynamics
18. Determine Relative Entropy Between Two Systems
19. Entropy Change for Reversible Expansion of and Ideal Gas
20. Predict the Sign of the Entropy Change for a Set of Reactions
21. Calculate Entropy Change to System Associated with Phase Change
22. Calculate Entropy Change to Surroundings Associated with Phase Change

23. Primer on Gibb's Free Energy
24. Free Energy Change Associated with Combustion of Methane
25. Free Energy Change Associated with Combustion of Methane at T = 6590 K
26. Dependency of Free Energy on Temperature
27. Free Energy and Equilibrium Relations
28. Standard Free Energy Change Associated with Solubility Equilibrium
29. Free Energy Change and Combustion of Methane at Equilibrium

30. Assigning Oxidation Numbers in Redox Reactions
31. Balancing a Redox Reaction in Acidic Solution
32. Balancing a Redox Reaction in Basic Solution

33. Voltaic Cell Composed of Cu and Zn Electrodes
34. Voltaic Cell Composed of Cu and Ag Electrodes
35. Cell Potential Calculation for Voltaic Cell

36. Cell Potential and Free Energy Calculation
37. Cell Potential and Solubility Constant Calculation
38. Predict the Spontaneity of a Set of Reactions

39. Potential of a Concentration Cell
40. EMF for Coupled Hydrogen Electrodes at Different pH Values
41. Free Energy Change with Non Standard Voltaic Cell

42. Electrolysis Cell with C and Ag Electrodes
43. Electrolysis Cell with Cu and Ag Electrodes
44. Electrolysis of LiF in Aqueous Medium
45. Electrolysis of LiF and Production of Lithium

46. Balance Redox Reaction
47. Free Energy and Endothermic Reactions
48. Spontaneous Reaction Conditions
49. Solubility of Calcium Fluoride
50. System Boundary
51. Estimate Reaction Free Energy
52. Sketch Voltaic Cell
53. Concentration Cell Potential
59. Reaction Pathway and Free Energy

60. Balance Redox Reaction
61. Electrolysis Competing Reactions
62. Spontaneous Reactions
63. Electrolysis Cell Sketch
64. Free Energy and Temperature
65. K_sp Estimation
66. Free Energy Change in Redox Process
67. Relative Entropy
68. Sketch of Nernst Equation Trend

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completed 09jan09 by pfm