1. 1. Which of the following is NOT a conversion factor for 1 mole of a substance? A. 1.0 g B. molar mass C. 6.02 X 10 23 particles D. 22.4 L E. Avogadro’s number

2. 1. Which of the following is NOT a conversion factor for 1 mole of a substance? A. 1.0 g B. molar mass C. 6.02 X 10 23 particles D. 22.4 L E. Avogadro’s number

3. 2. What unit of measurement is used to relate the mass (grams) of a substance to the amu (atomic mass unit)? A. 22.4 L B. 1 Mole C. Volume D. Pressure

4. 2. What unit of measurement is used to relate the mass (grams) of a substance to the amu (atomic mass unit)? A. 22.4 L B. 1 Mole C. Volume D. Pressure

5. 3. What is the molar mass of H 2 SO 4 ? A. 98.1 grams B. 145.2 grams C. 194.4 grams D. 259.8 grams

6. 3. What is the molar mass of H 2 SO 4 ? A. 98.1 grams B. 145.2 grams C. 194.4 grams D. 259.8 grams

7. 4. How many grams are in 2.5 moles of BrO 2 ? A. 0.02 grams B. 280 grams C. 0.03 grams D. 239 grams

8. 4. How many grams are in 2.5 moles of BrO 2 ? A. 0.02 grams B. 280 grams C. 0.03 grams D. 239 grams

9. 5. Using the equation below, how many mole(s) of NaOH are needed to produce 8 moles of Na 2 SO 4 ? H 2 SO 4 + 2NaOH  2H 2 O + Na 2 SO 4 A. 16 moles B. 8 moles C. 2 moles D. 1 mole

10. 5. Using the equation below, how many mole(s) of NaOH are needed to produce 8 moles of Na 2 SO 4 ? H 2 SO 4 + 2NaOH  2H 2 O + Na 2 SO 4 A. 16 moles B. 8 moles C. 2 moles D. 1 mole

11. 6. What is the % composition of hydrogen in H 2 O? A..11% B. 11.11% C. 5.56% D..056%

12. 6. What is the % composition of hydrogen in H 2 O? A..11% B. 11.11% C. 5.56% D..056%

13. 7. Balance the equation. What is the molar ratio of each substance to each other in this equation? H 2 SO 4 + NaOH  H 2 O + Na 2 SO 4 A.4, 1, 2, 1 B.2, 1, 2, 1 C.1, 2, 1, 2 D.1, 2, 2, 1

14. 7. Balance the equation. What is the molar ratio of each substance to each other in this equation? H 2 SO 4 + NaOH  H 2 O + Na 2 SO 4 A.4, 1, 2, 1 B.2, 1, 2, 1 C.1, 2, 1, 2 D.1, 2, 2, 1

15. 8. Using the equation below, how many grams of H 2 SO 4 will you get if you have 58.5 g of NaOH? H 2 SO 4 + 2NaOH  2H 2 O + Na 2 SO 4 A. 71.74 g B. 143.47 g C. 286.94 g D. 23.85 g

16. 8. Using the equation below, how many grams of H 2 SO 4 will you get if you have 58.5 g of NaOH? H 2 SO 4 + 2NaOH  2H 2 O + Na 2 SO 4 A. 71.74 g B. 143.47 g C. 286.94 g D. 23.85 g

17. 9. How many liters of chlorine gas are used when 2.5 moles of NaCl are produced according to the following equation: 2Na + Cl 2 2NaCl A.110 L B..97 L C.28 L D.56 L

18. 2Na + Cl 2 2NaCl A.110 L B..97 L C.28 L D.56 L 9. How many liters of chlorine gas are used when 2.5 moles of NaCl are produced according to the following equation:

19. 10. The actual yield compared to the expected yield is the: A. Limiting reactant B. Average yield C. Percent yield D. Excess yield

20. 10. The actual yield compared to the expected yield is the: A. Limiting reactant B. Average yield C. Percent yield D. Excess yield

21. 11. On a phase diagram, what is the point where a solid, liquid, and gas coexist? A. Heat Point B. Equilibrium C. Equivalence Point D. Triple Point

22. 11. On a phase diagram, what is the point where a solid, liquid, and gas coexist? A. Heat Point B. Equilibrium C. Equivalence Point D. Triple Point

23. 12. What must increase for the molecules in a liquid to escape the Intermolecular forces and vaporize? A. Gravitational Energy B. Thermal Energy C. Kinetic Energy D. Potential Energy

24. 12. What must increase for the molecules in a liquid to escape the Intermolecular forces and vaporize? A. Gravitational Energy B. Thermal Energy C. Kinetic Energy D. Potential Energy

25. 13. The temperature of a gas is a measure of the average ____________ of the gas particles. A. Thermal energy B. Potential energy C. Radiant energy D. Kinetic energy

26. 13. The temperature of a gas is a measure of the average ____________ of the gas particles. A. Thermal energy B. Potential energy C. Radiant energy D. Kinetic energy

27. 14. What is sublimation? A. Solid to gas B. Solid to liquid C. Gas to solid D. Solid to liquid

28. 14. What is sublimation? A. Solid to gas B. Solid to liquid C. Gas to solid D. Solid to liquid

29. 15. Which is NOT a postulate of the Kinetic Molecular Theory of Gases? A. Constant, random motion B. Strong forces between particles C. Large distances between particles D. Particles lack a structured pattern

30. 15. Which is NOT a postulate of the Kinetic Molecular Theory of Gases? A. Constant, random motion B. Strong forces between particles C. Large distances between particles D. Particles lack a structured pattern

31. 16. What phase(s) of matter are present on line D? A. Solid B. Solid & Liquid C. Liquid D. Liquid & Gas 30 Seconds

32. 16. What phase(s) of matter are present on line D? A. Solid B. Solid & Liquid C. Liquid D. Liquid & Gas 30 Seconds

33. 17. What line segment represents melting? Choose 1 of the following A B C D E 30 Seconds

34. 17. What line segment represents melting? Choose 1 of the following A B C D E 30 Seconds

35. 18. Think back to our lab on Charles’s Law, what were the variables being tested (list all that apply)? A. Temperature B. moles C. Volume D. Pressure

36. 18. Think back to our lab on Charles’s Law, what were the variables being tested (list all that apply)? A. Temperature B. moles C. Volume D. Pressure

37. 19. A 20 L balloon at standard atmospheric pressure is squeezed and causes a new pressure of 900 mmHg. What is the new volume of the balloon? A. 16.89 L B..02 L C. 23.68 L D..87 L

38. 19. A 20 L balloon at standard atmospheric pressure is squeezed and causes a new pressure of 900 mmHg. What is the new volume of the balloon? A. 16.89 L B..02 L C. 23.68 L D..87 L

39. 20. A helium balloon in a closed car occupies a volume of 2.32 L at 40.0 degrees C. If the car is parked on a hot day and the temperature rises to 75.0 degrees C, what is the new volume of the balloon? A. 2.58 L B. 1.24 L C. 4.35 L D. 134 L

40. 20. A helium balloon in a closed car occupies a volume of 2.32 L at 40.0 degrees C. If the car is parked on a hot day and the temperature rises to 75.0 degrees C, what is the new volume of the balloon? A. 2.58 L B. 1.24 L C. 4.35 L D. 134 L

41. 21. A sealed plastic bottle is filled with 2 atm of H 2, 3.5 atm of CO 2, and 4 atm of H 2 O vapor, what is the pressure of the mixture in the bottle? A. 9.5 atm B. -1.5 atm C. 3.5 atm D. 28 atm

42. 21. A sealed plastic bottle is filled with 2 atm of H 2, 3.5 atm of CO 2, and 4 atm of H 2 O vapor, what is the pressure of the mixture in the bottle? A. 9.5 atm B. -1.5 atm C. 3.5 atm D. 28 atm

43. 22. A gas mixture contains the following gases with the mole fractions indicated: CH 4 (0.380), C 2 H 6 (0.325), C 3 H 8 (0.009), and C 4 H 10 (0.057). The mixture also contains C 2 H 2. What is the mole fraction of C 2 H 2 ? A. 6.34 X 10 -5 B. 0.522 C. 0.571 D. 0.229

44. 22. A gas mixture contains the following gases with the mole fractions indicated: CH 4 (0.380), C 2 H 6 (0.325), C 3 H 8 (0.009), and C 4 H 10 (0.057). The mixture also contains C 2 H 2. What is the mole fraction of C 2 H 2 ? A. 6.34 X 10 -5 B. 0.522 C. 0.571 D. 0.229

45. 23. Calculate the molality of a 50 g sample of NaCl that is mixed in 850 g of water. A. 0.06 m B. 17.0 m C. 0.99 m D. 1.01 m

46. 23. Calculate the molality of a 50 g sample of NaCl that is mixed in 850 g of water. A. 0.06 m B. 17.0 m C. 0.99 m D. 1.01 m

47. 24. How many moles of Ba(OH) 2 will 3.5 L of a 10 M solution produce? A. 2.9 moles B. 35 moles C. 0.35 moles D. 13.5 moles

48. 24. How many moles of Ba(OH) 2 will 3.5 L of a 10 M solution produce? A. 2.9 moles B. 35 moles C. 0.35 moles D. 13.5 moles

49. 25. How much heat is lost to change 12.5 g of H 2 O (4.184 J/g(°C)) from 80.0°C to 50.0°C? A. -2615J B. 2615 J C. -1569 J D. 1569 J

50. 25. How much heat is lost to change 12.5 g of H 2 O (4.184 J/g(°C)) from 80.0°C to 50.0°C? A. -2615J B. 2615 J C. -1569 J D. 1569 J

51. 26. Systems in nature tend to undergo changes toward A. higher entropy and higher energy B. lower entropy and lower energy C. higher entropy and lower energy D. lower entropy and higher energy

52. 26. Systems in nature tend to undergo changes toward A. higher entropy and higher energy B. lower entropy and lower energy C. higher entropy and lower energy D. lower entropy and higher energy

53. 27. In an experiment, hot marbles are placed in a calorimeter with cold water. If the marbles lose 32 J of energy, how does this effect the water? A. Water also loses 32 J B. Water gains 16 J C. Water loses 16 J D. Water gains 32 J

54. 27. In an experiment, hot marbles are placed in a calorimeter with cold water. If the marbles lose 32 J of energy, how does this effect the water? A. Water also loses 32 J B. Water gains 16 J C. Water loses 16 J D. Water gains 32 J

55. 28. If the coefficients of a balanced equation are tripled, the enthalpy change for the reaction is: A. Tripled B. 1/3 rd C. Nine times greater D. 1/9 th

56. 28. If the coefficients of a balanced equation are tripled, the enthalpy change for the reaction is: A. Tripled B. 1/3 rd C. Nine times greater D. 1/9 th

57. 29. How much heat is transferred when 4.0 g of H2 is reacted according to the following equation: N 2 + 3H 2  2 NH 3 ∆H= -56kJ A.-37 kJ B.112 kJ C. 37 kJ D.-112 kJ

58. 29. How much heat is transferred when 4.0 g of H2 is reacted according to the following equation: N 2 + 3H 2  2 NH 3 ∆H= -56kJ A.-37 kJ B.112 kJ C. 37 kJ D.-112 kJ

59. 30. Which of the following is NOT a property of an ionic compound? A. dissolves in water B. has a high melting point C. Good conductor of electricity D. Forms from a metal and non metal

60. 30. Which of the following is NOT a property of an ionic compound? A. dissolves in water B. has a high melting point C. Good conductor of electricity D. Forms from a metal and non metal

61. 31. According to Le Chatelier’s principle, a decrease in the concentration of a product will cause a reaction to: A. shift to the left B. shift to produce more of the reactants C. consume what is left of the product D. shift to produce more of the decreased product

62. 31. According to Le Chatelier’s principle, a decrease in the concentration of a product will cause a reaction to: A. shift to the left B. shift to produce more of the reactants C. consume what is left of the product D. shift to produce more of the decreased product

63. 32. According to Le Chatelier’s principle, a decrease in pressure will cause a reaction to: A. shift to the left B. shift to the right C. shift to the side with more moles D. shift to the side with less moles

64. 32. According to Le Chatelier’s principle, a decrease in pressure will cause a reaction to: A. shift to the left B. shift to the right C. shift to the side with more moles D. shift to the side with less moles

65. 33. According to Le Chatelier’s principle, if the temperature is changed, the _______ will also change. A. K eq B. pressure C. concentration D. Molarity

66. 33. According to Le Chatelier’s principle, if the temperature is changed, the _______ will also change. A. K eq B. pressure C. concentration D. Molarity

67. 34. Which of the following affects the speed of a chemical reaction (List all that apply ) A. Temperature B. Size of the container C. Catalyst D. Concentration E. Surface Area

68. 34. Which of the following affects the speed of a chemical reaction (List all that apply ) A. Temperature B. Size of the container C. Catalyst D. Concentration E. Surface Area

69. 35. Reduction is the process by which a substance _____________. A. Loses one or more electrons B. Gains one or more electrons C. Gains one electron D. Loses one electron

70. 35. Reduction is the process by which a substance _____________. A. Loses one or more electrons B. Gains one or more electrons C. Gains one electron D. Loses one electron

71. 36. What element is being reduced? Oxidized? 2 C 2 H 2 + 5 O 2  4 CO 2 + 2 H 2 O A. reduced = C, oxidized = O B. reduced = O, oxidized = C C. reduced = H, oxidized = O D. reduced = O, oxidized = H

72. 36. What element is being reduced? Oxidized? 2 C 2 H 2 + 5 O 2  4 CO 2 + 2 H 2 O A. reduced = C, oxidized = O B. reduced = O, oxidized = C C. reduced = H, oxidized = O D. reduced = O, oxidized = H

73. 37. The oxidation number of Calcium in a compound is A. + 1 B. + 2 C. - 1 D. - 2 E. 0

74. 37. The oxidation number of Calcium in a compound is A. + 1 B. + 2 C. - 1 D. - 2 E. 0

75. 38. What is a synthesis reaction? A. A + B yields AB B. AB yields A + B C. AX + B yields BX + A D. AX + BY yields AY + BX

76. 38. What is a synthesis reaction? A. A + B yields AB B. AB yields A + B C. AX + B yields BX + A D. AX + BY yields AY + BX

77. 39. By definition, an Arrhenius base A. Accepts OH - ions B. Produces OH - ions C. Produces H + ions D. Accepts H + ions

78. 39. By definition, an Arrhenius base A. Accepts OH - ions B. Produces OH - ions C. Produces H + ions D. Accepts H + ions

79. 40. A solution has a pH of 8, what is it? A. Acidic B. Basic C. Neutral D. Not enough information

80. 40. A solution has a pH of 8, what is it? A. Acidic B. Basic C. Neutral D. Not enough information

81. 41. If the [H+] is 1.0 x 10 -2 M, what is the pH? A. 14 B. 12 C. 2 D. Not enough information

82. 41. If the [H+] is 1.0 x 10 -2 M, what is the pH? A. 14 B. 12 C. 2 D. Not enough information

83. 42. If the pOH of a solution is 2.5, what is the pH? A. 2.5 B. 16.5 C. 12.5 D. 11.5

84. 42. If the pOH of a solution is 2.5, what is the pH? A. 2.5 B. 16.5 C. 12.5 D. 11.5