Download test bank for introduction to general organic and biochemistry 11th edition by bettelheim

Test Bank for Introduction to General Organic and Biochemistry
11th Edition by Bettelheim
Sample
Chapter 05
1. Which of the following is most important in determining if a material will be a
solid, a liquid or a gas?
a. covalent bonds
b. intermolecular forces
c. intramolecular forces
d. nuclear forces
ANSWER: b
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER? 2.
Which of the following increases as temperature increases?
a. kinetic energy
b. nuclear forces
c. potential energy
d. none of these
ANSWER: a
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
3. In which state of matter are the attractive forces between molecules the weakest?
a. solid
b. liquid
c. gaseous
d. None, the attractive forces are the same in all of them.
ANSWER: c
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
4. Which of the following is true of the types attractive forces present in the three
states of matter?

a. They are different in each of the three states.
b. They are the same in each of the three states.
c. They are the same in gases and liquids, but different in solids.
d. They are the same in liquids and solids, but different in gases.
ANSWER: b


POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
5. Which physical state of matter could be represented by the following model?
a. solid
b. liquid
c. gas
ANSWER: b
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
6. If the change from A to B as represented by the models given below occurred, A
B
which of the following is correct?
a. The velocity of the particles increases. b. The strength of the intermolecular forces
increases.
c. The kinetic energy of the particles decreases. d. both b and c
ANSWER: c
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
7. Consider a substance as represented by the following models. The temperature of
the substance is decreased to a very low value. A B C
Which of the following models would best represent this substance at the lowered
temperature?
a. A

b. B
c. C
ANSWER: b
POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
8. Consider a substance as represented by the following models. A
BC
When sugar is heated it forms a mass called caramel. Based on this information
sugar does not normally exist as shown in which model? a. A
b. B
c. C
d. either A or C
ANSWER: d


POINTS: 1
TOPICS: 5.1 – WHAT ARE THE THREE STATES OF MATTER?
9. Consider the following diagram. The liquid in the apparatus is mercury.
If the pressure of the gas sample on arm B is 1.0 atm, what will be the difference in
the heights of the mercury column in arms A and B? This difference is represented
in the diagram by the variable h? a. 1.0 mm Hg
b. 760 mm Hg
c. 760 atm
d. It will be equal to the current atmospheric pressure.
ANSWER: b
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
10. Air pressure can be expressed in which of the following units?
a. atmospheres b. millimeters of Hg
c. torr d. any of these

ANSWER: d
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
11. Which of the following is a unit of pressure?
a. mm of Hg b. pascals
c. torr d. They are all units of pressure.
ANSWER: d
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
12. Which of the following instruments is used to measure the pressure of a gas
sample?
a. an altimeter b. a barometer
c. a manometer d. an odometer
ANSWER: c
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
13. Which of the following instruments is used to measure atmospheric pressure?
a. an altimeter b. a barometer
c. a manometer d. an odometer
ANSWER: b
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
14. Which of the following exerts the greatest pressure?


a. a 20 gram object on a surface of 0.50 cm2
b. a 40 gram object on a surface of 2.0 cm2
c. a 60 gram object on a surface of 3.0 cm2
d. None, they all exert the same pressure.
ANSWER: a

POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
15. Which of the following exerts the greatest pressure?
a. a 40 gram object on a surface of 2.0 cm2
b. a 60 gram object on a surface of 3.0 cm2
c. a 80 gram object on a surface of 4.0 cm2
d. None, they all exert the same pressure.
ANSWER: d
POINTS: 1
TOPICS: 5.2 – WHAT IS GAS PRESSURE AND HOW DO WE MEASURE IT?
16. Which law relates the volume and pressure of a gas under conditions of constant
temperature?
a. Avogadro’s law b. Boyle’s law
c. Charles’s law d. Dalton’s law
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
17. Which law relates the volume and temperature of a gas under conditions of
constant pressure?
a. Avogadro’s law b. Boyle’s law
c. Charles’s law d. Dalton’s law
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
18. Which law relates the pressure and temperature of a gas under conditions of
constant volume?
a. Boyle’s law b. Charles’s law
c. Dalton’s law d. Gay-Lussac’s law
ANSWER: d
POINTS: 1

TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
19. Which gas law is most directly related to the process of inhaling and exhaling?
a. Avogadro’s law b. Boyle’s law


c. Charles’s law d. Dalton’s law
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
20. Which of the following is a mathematical statement of Boyle’s Law?
a. P1V2 = P2V1 b. P1V1 = P2V2
c. P1/T2 = P2/T1 d. P1/T1 = P2/T2
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
21. Which of the following is a mathematical statement of Boyle’s Law?
a. P1/V2 = P2/V1 b. P1/V1 = P2/V2
c. P1/T2 = P2/T1 d. P1/T1 = P2/T2
ANSWER: a
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
22. What temperature scale should be used if we wish to express Charles’s Law as
a simple direct proportionality? a. Fahrenheit b. Celsius
c. Kelvin d. It makes no difference.
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
23. Which of the following is a mathematical statement of Charles’s Law?
a. P1/V2 = P2/V1 b. P1/V1 = P2/V2
c. V1/T2 = V2/T1 d. V1/T1 = V2/T2

ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
24. Which of the following is a mathematical statement of Charles’s Law?
a. P1V2 = P2V1 b. P1V1 = P2V2
c. V1T2 = V2T1 d. V1T1 = V2T2
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
25. Which of the following is a mathematical statement of Gay-Lussac’s Law?
a. P1/V2 = P2/V1 b. P1/V1 = P2/V2
c. P1/T2 = P2/T1 d. P1/T1 = P2/T2
ANSWER: d


POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
26. Which of the following is a mathematical statement of Gay-Lussac’s Law?
a. P1V2 = P2V1 b. P1V1 = P2V2
c. P1T2 = P2T1 d. P1T1 = P2T2
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
27. At constant temperature the pressure on a 6.0 L sample of gas is increased from
1.0 atm to 2.0 atm. What is the new volume of the gas sample?
a. 0.33 L b. 0.67 K
c. 1.5 L d. 3.0 L
ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?

28. At constant temperature the pressure on a 6.0 L sample of a gas is reduced from
2.0 atm to 1.0 atm. What is the new volume of the gas sample?
a. 0.083 L b. 0.33 L
c. 3.0 L d. 12 L
ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
29. At constant temperature the pressure on a 10.0 L sample of gas is changed from
1.00 atm to 1140 torr. What is the new volume of the gas sample?
a. 0.00877 L b. 6.67 L
c. 15.0 L d. 114 L
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
30. At constant temperature the pressure on a 10.0 L sample of gas is changed from
1140 torr to 1.00 atm. What is the new volume of the gas sample? a. 0.00877 L b.
6.67 L
c. 15.0 L d. 114 L
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
31. At constant pressure the temperature of a 4.00 L sample of gas is increased from
300. K to 400. K. What is the new volume of the gas sample? a. 0.188 L b. 0.300 L


c. 3.33 L d. 5.33 L
ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
32. At constant pressure the temperature of a 4.00 L sample of gas is decreased from

400. K to 300. K. What is the new volume of the gas sample? a. 0.188 L b. 0.333 L
c. 3.00 L d. 5.33 L
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
33. At constant pressure the temperature of a 4.00 L sample of gas is increased from
25 °C to 50.°C. What is the new volume of the gas sample?
a. 2.00 L b. 3.69 L
c. 4.34 L d. 8.00 L
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
34. At constant pressure the temperature of a 4.0 L sample of gas is decreased from
50. °C to 25 °C. What is the new volume of the gas sample?
a. 2.00 L b. 3.69 L
c. 4.34 L d. 8.00 L
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
35. The combined gas law combines which gas laws?
a. Boyle’s and Charles’s
b. Charles’s and Gay-Lussac’s
c. Boyle’s and Gay-Lussac’s
d. Boyle’s, Charles’s and Gay-Lussac’s
ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
36. Which of the following is a mathematical statement of the combined gas law?
a. P1V2/T1 = P2V1/T2 b. P1V2/T2 = P2V1/T1
c. P1V1/T2 = P2V2/T1 d. P1V1/T1 = P2V2/T2

ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?


37. Which of the following is a mathematical statement of the combined gas law?
a. P1V2T1 = P2V1T2 b. P1V2T2 = P2V1T1
c. P1V1T2 = P2V2T1 d. P1V1T1 = P2V2T2
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
38. Suppose a balloon is filled so that its volume is 2.00 L when the pressure is 750
torr and the temperature is 24°C. What volume will it occupy if it rises to an
elevation where the pressure is 375 torr and the temperature is 12°C? a. 0.261 L
b. 0.500 L
c. 2.00 L d. 3.84 L
ANSWER: d
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
39. Suppose a balloon is filled so that its volume is 2.00 L when the pressure is 1.10
atm and the temperature is 300 K. What volume will it occupy if it rises to an
elevation where the pressure is 418 mm Hg and the temperature is 200 K? a. 3.30
L b. 2.67 L
c. 0.375 L d. 0.303 L
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
40. Which of the following will occur if the temperature of a gas is increased from
20°C to 40°C at constant pressure? a. The volume will double.
b. The volume will be halved.

c. The volume will decrease slightly.
d. The volume will increase slightly.
ANSWER:
1
POINTS:
1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
41. Which of the following will occur if the temperature of a gas is increased from 8
K to 40 K at constant pressure? a. The volume will double.
b. The volume will be halved.
c. The volume will decrease slightly.
d. The volume will increase slightly.
ANSWER: a
POINTS: 1


TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
42. Which of the following will occur if the temperature of a gas is decreased from
60°C to 30°C at constant pressure? a. The volume will double.
b. The volume will be halved.
c. The volume will decrease slightly.
d. The volume will increase slightly.
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
43. Which of the following will occur if the temperature of a gas is decreased from
60 K to 30 K at constant pressure? a. The volume will double.
b. The volume will be halved.
c. The volume will decrease slightly.
d. The volume will increase slightly.

ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
44. A gas is expanded from an initial volume of 20.5 L at 0.92 atm at 23 °C to a final
volume of 34.6 L. During the expansion the gas cools to 12 °C. What is the final
pressure?
a. 0.28 atm b. 0.52 atm
c. 0.57 atm d. 1.9 atm
ANSWER: b
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
45. A student obtained experimental data and plotted it graphically, but forgot to
label the axes of the graph. How should the axes of the graph shown here be
labeled?
a. the x-axis is the T and the y-axis is V
b. the x-axis is the T and the y-axis is P
c. the x-axis is the P and the y-axis is V
d. the x-axis is the P and the y-axis is T
ANSWER: c
POINTS: 1
TOPICS: 5.3 – WHAT ARE THE LAWS WHICH GOVERN THE BEHAVIOR OF GASES?
46. Which law relates the volume and number of molecules of a gas under
conditions of constant temperature and pressure? a. Avogadro’s law b. Boyle’s
law


c. Charles’s law d. Dalton’s law
ANSWER: a
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?

47. A sample of carbon dioxide occupies 22.4 L at STP. Which of the following
statements apply to the sample?
a. The sample contains 6.02 × 1023 atoms.
b. The sample contains 6.02 × 1023 atoms of oxygen.
c. The sample contains 6.02 × 1023 molecules.
d. None of the above is correct.
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
48. A sample of carbon dioxide occupies 22.4 L at STP. Which of the following
statements apply to the sample?
a. The sample contains 6.02 × 1023 carbon atoms.
b. The sample contains 6.02 × 1023 molecules.
c. Both a and b are correct.
d. Neither a nor b is correct.
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
49. A student has equal-volume samples of three gases. All the gases are at the same
temperature and pressure. If the three gases are O2, CO2, NH3, which sample
contains the largest number of molecules? a. O2
b. CO2
c. NH3
d. None, they all contain the same number of molecules.
ANSWER: d
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
50. A student has equal-volume samples of three gases. All the gases are at the same
temperature and pressure. If the three gases are O2, CO2, NH3, which sample
contains the largest number of atoms? a. O2

b. CO2
c. NH3
d. None, they all contain the same number of atoms.
ANSWER: c


POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
51. Which of the following could be a correct set of units for the ideal gas law
constant, R?
a. L/mol b. L•atm/mol
c. L•atm/mol•K d. L•atm•mol•K
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
52. What is the volume occupied by an 8.00 gram sample of molecular oxygen at
STP?
a. 5.60 L b. 11.2 L
c. 22.4 L d. 44.8 L
ANSWER: a
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
53. If an 8.00 gram sample of molecular oxygen at 1.00 atm pressure occupies 3.00
L, what is the temperature of the sample? a. 146°C b. 146 K
c. 73°C d. 73 K
ANSWER: b
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
54. If a 7.00 gram sample of molecular nitrogen at 10. °C occupies 2.50 L, what is the
pressure of the sample? a. 1.28 atm b. 2.32 atm

c. 2.56 atm d. 4.65 atm
ANSWER: b
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
55. Which of the following is called standard temperature and pressure?
a. 0°C and 1 atm b. 0°F and 1 atm
c. 0 K and 1 atm d. none of these
ANSWER: a
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
56. Standard temperature and pressure are which of the following?
a. 0 °C and 1 atm b. 32 °F and 1 atm
c. 273 K and 1 atm d. all of these
ANSWER: d


POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
57. Which of the following is a mathematical statement of the ideal gas law?
a. PV = n/RT b. PV = nRT
c. V = nP/RT d. PV = RT/n
ANSWER: b
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
58. Which of the following is a mathematical statement of the ideal gas law?
a. PVRT = n b. PV/RT = n
c. VRT/P = n d. n = RT/PV
ANSWER: b
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?

59. If 2.00 moles of NO gas occupies 10.0 L at 295 K, what is the pressure of the gas
in atmospheres?
a. 0.206 atm b. 2.42 atm
c. 4.84 atm d. 9.33 atm
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
60. A certain quantity of neon gas is under 1.05 atm pressure at 303 K in a 10.0 L
vessel. How many moles of neon are present? a. 0.222 mol b. 0.402 mol
c. 0.422 mol d. 2.37 mol
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
61. An unknown amount of He gas occupies 30.5 L at 2.00 atm pressure and 300. K.
What is the weight of the gas in the container? a. 2.48 g b. 4.95 g
c. 9.91 g d. 19.8 g
ANSWER: c
POINTS: 1
TOPICS: 5.4 – WHAT ARE AVOGADRO’S LAW AND THE IDEAL GAS LAW?
62. Which of the following might correspond to the O2 pressure in a hyperbaric
chamber?
a. 160 torr b. 760 torr
c. 1600 torr d. none of these
ANSWER: c


POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
63. Which law applies only to mixtures of gases?
a. Avogadro’s law b. Boyle’s law

c. Charles’s law d. Dalton’s law
ANSWER: d
POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
64. A closed flask contains a 0.25 moles of O2 which exerts a pressure of 0.50 atm. If
0.75 moles of CO2 is added to the container what is the pressure of oxygen? a. 0.50
atm b. 1.0 atm
c. 1.5 atm d. 2.0 atm
ANSWER: a
POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
65. A closed flask contains a 0.25 moles of O2 which exerts a pressure of 0.50 atm. If
0.75 moles of CO2 is added to the container what is the total pressure in the flask? a.
0.50 atm b. 1.0 atm
c. 1.5 atm d. 2.0 atm
ANSWER: d
POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
66. Dry air is 78.08% nitrogen, 20.95% oxygen and 0.93% argon with the 0.04%
being other gases. If the atmospheric pressure is 760.0 torr, what is the partial
pressure of nitrogen in dry air? a. 78.08 torr b. 166.6 torr
c. 593.4 torr d. 760.0 torr
ANSWER: c
POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
67. Dry air is 78.08% nitrogen, 20.95% oxygen and 0.93% argon with the 0.04%
being other gases. If the atmospheric pressure is 760.0 torr, what is the partial
pressure of oxygen in dry air? a. 20.95 torr b. 159.2 torr
c. 600.8 torr d. 760.0 torr
ANSWER: b

POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?


68. A vessel under 2.015 atm pressure contains nitrogen, N2, and water vapor, H2O.
The partial pressure of N2 is 1.908 atm. What is the partial pressure of the water
vapor?
a. 0.107 atm b. 1.908 atm
c. 2.015 atm d. 3.923 atm
ANSWER: a
POINTS: 1
TOPICS: 5.5 – WHAT IS DALTON’S LAW OF PARTIAL PRESSURES?
69. According to the kinetic molecular theory, which of the following is not true?
a. The average kinetic energy of gas particles is proportional to the Celsius
temperature.
b. Gas molecules are assumed to have no volume.
c. Gas pressure is caused by collisions between gas molecules and the container
walls.
d. None, all of the above are true.
ANSWER: a
POINTS: 1
TOPICS: 5.6 – WHAT IS THE KINETIC MOLECULAR THEORY?
70. According to the kinetic molecular theory, which of the following is not true?
a. The average kinetic energy of gas particles is proportional to the Kelvin
temperature.
b. Gas molecules are assumed to have no volume.
c. Gas pressure is caused by collisions between gas molecules and the container
walls.
d. None, all of the above are true.
ANSWER: d

POINTS: 1
TOPICS: 5.6 – WHAT IS THE KINETIC MOLECULAR THEORY?
71. According to the kinetic molecular theory, which of the following is not true?
a. Gas molecules are assumed to have no volume.
b. Gas pressure is caused by collisions between gas molecules and the container
walls.
c. When gas molecules collide energy is lost.
d. None, all of the above are true.
ANSWER: c
POINTS: 1
TOPICS: 5.6 – WHAT IS THE KINETIC MOLECULAR THEORY?
72. According to the kinetic molecular theory, which of the following is not true?


a. Gas molecules are assumed to have no volume.
b. Gas pressure is caused by collisions between gas molecules and the container
walls.
c. When gas molecules collide they stick together.
d. None, all of the above are true.
ANSWER: c
POINTS: 1
TOPICS: 5.6 – WHAT IS THE KINETIC MOLECULAR THEORY?
73. Which of the following is the strongest intermolecular interaction?
a. covalent bonding b. dipole-dipole interactions
c. London dispersion forces d. hydrogen bonding
ANSWER: d
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
74. For small molecules, which of the following usually is the weakest

intermolecular interaction?
a. covalent bonding b. dipole-dipole interactions
c. London dispersion forces d. hydrogen bonding
ANSWER: c
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
75. Which of the following have an effect on the strength of London dispersion
forces?
a. the number of electrons b. size
c. shape d. all of them
ANSWER: d
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
76. Which of the following is true of London dispersion forces?
a. They decrease as the number of electrons in a molecule increases.
b. They are only present in some molecules.
c. Both a and b are correct.
d. Neither a nor b is correct.
ANSWER: d
POINTS: 1


TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
77. Which of the following is true of London dispersion forces?
a. They increase as the number of electrons in a molecule increases.
b. They are only present in some molecules.
c. Both a and b are correct.

d. Neither a nor b is correct.
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
78. Which type of intermolecular attraction exists for all molecules?
a. covalent bonding b. dipole-dipole interactions
c. London dispersion forces d. hydrogen bonding
ANSWER: c
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
79. Which of the following is necessary for a molecule engage in hydrogen bonding?
a. A hydrogen atom is covalently bonded to a nitrogen atom.
b. A hydrogen atom is covalently bonded to an oxygen atom.
c. Both a and b are correct.
d. Neither a nor b is correct.
ANSWER: c
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
80. Which of the following is not an example of an intermolecular attraction?
a. covalent bonding b. dipole-dipole interactions
c. London dispersion forces d. hydrogen bonding
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
81. Which of the following molecules can have only London dispersion forces? a.
CH4 b. CO2

c. both a and b d. neither a nor b
ANSWER: c


POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
82. Which of the following molecules can have only London dispersion forces?
a. CH4 b. CO
c. both a and b d. neither a nor b
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
83. Which of the following molecules can have dipole-dipole interactions?
a. CH4 b. H2S
c. both a and b d. neither a nor b
ANSWER: b
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
84. Which of the following molecules can have dipole-dipole interactions?
a. CH4 b. CO2
c. both a and b d. neither a nor b
ANSWER: d
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
85. Which of the following molecules can engage in hydrogen bonding?
a. NH3 b. H2O

c. HF d. all of these
ANSWER: d
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
86. Which of the following molecules can engage in hydrogen bonding? a.
HF b. HCl
c. HBr d. HI
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?


87. Which of the following molecules cannot engage in hydrogen bonding?
a. CH4 b. NH3
c. H2O d. all of these
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
88. Which of the following molecules cannot engage in hydrogen bonding?
a. SiH4 b. PH3
c. H2S d. all of these
ANSWER: d
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
89. Which of the following pairs engage in hydrogen bonding?
a. water with methanol, CH3OH b. two molecules of methane

c. both a and b d. neither a nor b
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
90. Which of the following pairs engage in hydrogen bonding?
a. water with acetone (CH3COCH3)
b. water with butane (CH3CH2CH2CH3)
c. both a and b
d. neither a nor b
ANSWER: a
POINTS: 1
TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
91. Which of the following pairs do not engage in hydrogen bonding?
a. H2O with NH3
b. H2O with H2O
c. NH3 with NH3
d. None, they all engage in hydrogen bonding.
ANSWER: d
POINTS: 1


TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
92. Hydrogen bonding plays an important role in which of the following?
a. the boiling point of water b. the expansion of water upon freezing
c. both a and b d. neither a nor b
ANSWER: c
POINTS: 1

TOPICS: 5.7 – WHAT TYPES OF ATTRACTIVE FORCES EXITS BETWEEN
MOLECULES?
93. Which of the following characteristics of a liquid sample is associated with the
intermolecular forces which are present? a. its mass b. its shape
c. its surface tension d. its volume
ANSWER: c
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
94. Which of the following best describes the relationship of molecules in a liquid
with those in a gas at the same temperature?
a. Molecules in the liquid are much closer together than those in the gas.
b. Molecules in the liquid have less kinetic energy than those in the gas. c. both
a and b
d. neither a nor b
ANSWER: c
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
95. Which of the following best describes the relationship of molecules in a liquid
with those in a gas at the same temperature?
a. Molecules in the liquid are much closer together than those in the gas.
b. Molecules in the liquid have the same kinetic energy as those in the gas. c.
both a and b
d. neither a nor b
ANSWER: a
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
96. At what point is the vapor pressure of a liquid measured?

a. When molecules escape from the liquid more rapidly than they are recaptured by
the liquid.
b. When molecules are recaptured by the liquid more rapidly than they escape from
the liquid.
c. When molecules escape and are recaptured at the same rate.
d. When the liquid has been totally converted to vapor.
ANSWER: c
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
97. The term “vapor pressure of a liquid” means which of the following?
a. the pressure exerted by a liquid
b. the partial pressure exerted by a gas in equilibrium with its liquid c. both a
and b
d. neither a nor b
ANSWER: b
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
98. As the temperature of a liquid is increased what happens to the vapor pressure?
a. It decreases.
b. It increases.
c. It remains the same.
d. The change depends on the identity of the liquid.
ANSWER: b
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?

99. Which of the following affects the vapor pressure of a liquid?
a. the mass of the sample b. the shape the sample
c. the temperature of the sample d. the volume of the sample
ANSWER: c
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
100. Chloroform has a normal boiling point of 61.7°C. Which of the following is true?
a. At any temperature the vapor pressure of chloroform is greater than that of
water.


b. Chloroform is less volatile than water.
c. Both a and b are correct.
d. Neither a nor b is correct.
ANSWER: a
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
101. Chloroform has a normal boiling point of 61.7°C. Which of the following is true?
a. At any temperature the vapor pressure of chloroform is less than that of water.
b. Chloroform is more volatile than water.
c. Both a and b are correct.
d. Neither a nor b is correct.
ANSWER: b
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
102. The normal boiling point of acetic acid is 117.9°C. Which of the following is
true?

a. The vapor pressure of acetic acid at 100°C is greater than 760 torr.
b. The vapor pressure of acetic acid at 100°C is equal to 760 torr.
c. The vapor pressure of acetic acid at 100°C is less than 760 torr.
d. There is insufficient information to answer the question.
ANSWER: c
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
103. Which of the following does not affect the boiling point of a liquid? a.
the formula weight of the liquid molecules
b. the shape of the liquid molecules
c. the intermolecular forces between the liquid molecules
d. None, all of the above affect the boiling point.
ANSWER: d
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
104. At high altitudes atmospheric pressure is lower than at sea level. Which of the
following is true?
a. Boiling water is cooler in Denver than in New York.


b. Boiling water is hotter in Denver than in New York.
c. Water boils at the same temperature in Denver and New York.
d. We cannot predict the relationship between the boiling points in the two cities.
ANSWER: a
POINTS: 1
TOPICS: 5.8 – HOW DO WE DESCRIBE THE BEHAVIOR OF LIQUIDS AT THE
MOLECULAR LEVEL?
105. Which of the following is an example of an ionic solid? a.

diamond b. dry ice
c. sodium d. sodium chloride
ANSWER: d
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
106. Which of the following is an example of a molecular solid? a.
diamond b. dry ice
c. sodium d. sodium chloride
ANSWER: b
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
107. Which of the following is an example of a network covalent solid? a.
diamond b. dry ice
c. sodium d. sodium chloride
ANSWER: a
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
108. Fullerenes are examples of which of the following type of solid? a.
ionic b. molecular
c. network covalent d. polymeric
ANSWER: b
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
109. Which of the following type of solid is characterized by the least order? a.
amorphous b. ionic
c. molecular d. network covalent

ANSWER: a
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
110. Which of the following types of solid is most likely to have a low, but well
defined, melting point? a. amorphous b. ionic
c. molecular d. network covalent
ANSWER: c
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
111. Which of the following types of solids does not typically have a well defined
melting point?
a. amorphous b. ionic
c. molecular d. network covalent
ANSWER: a
POINTS: 1
TOPICS: 5.9 – WHAT ARE THE CHARACTERISTICS OF THE VARIOUS TYPES OF
SOLIDS?
112. Which of the following pieces of data can we obtain from a heating curve? a.
boiling point of a liquid b. melting point of a solid
c. specific heat of a solid d. all of the above
ANSWER: d
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
113. Which regions of a heating curve correspond to regions where only a single
phase of a material is present?
a. horizontal regions b. regions with negative slope

c. regions with positive slope d. It depends on the material.
ANSWER: c
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
114. Which regions of a heating curve correspond to regions where two phases of a
material are present?
a. horizontal regions b. regions with negative slope
c. regions with positive slope d. It depends on the material.
ANSWER: a
POINTS: 1


TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
115. The heat of vaporization of water is 540 cal/g. What mass of water at 100°C
can be vaporized by the addition of 45.0 kcal of heat? a. 0.0120 g b. 0.0833 g
c. 12.0 g d. 83.3 g
ANSWER: d
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
116. The specific heat of iron is 0.110 cal /g•°C. The heat of fusion of iron is 63.7
cal/g. The melting point of iron is 1530°C. How much heat must be added to 10.0 g
of iron at 25°C to completely melt it? a. 0.637 kcal b. 0.803 kcal
c. 1.676 kcal d. 2.29 kcal
ANSWER: d
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
117. The specific heat of water is 1.0 cal/g•°C. The heat of vaporization of water is
540 cal/g. Which of the following is true?
a. It takes less energy to evaporate one gram of water than it does to heat one gram
of water from 0°C to 100°C.

b. It takes more energy to evaporate one gram of water than it does to heat one
gram of water from 0°C to 100°C.
c. It takes the same amount of energy to evaporate one gram of water as it does to
heat one gram of water from 0°C to 100°C.
d. There is insufficient information to answer the question.
ANSWER: b
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
118. Which of the following phase changes does not involve a solid? a. evaporation
b. melting
c. sublimation d. None, they all involve a solid. ANSWER:
a
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
119. Which of the following phase changes does not involve a liquid? a. evaporation
b. melting
c. sublimation d. None, they all involve a liquid.
ANSWER: c
POINTS: 1


TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
Consider the following phase diagram of water. The temperature and pressure
scales are greatly reduced (and are non-linear)
120. Crossing the curve designated AC in the direction of high pressure to low
pressure is associated with which of the following phase transitions? a. solid
to liquid b. solid to vapor
c. liquid to vapor d. vapor to liquid
ANSWER: c
POINTS: 1

TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
121. Crossing the curve designated AD in the direction of high pressure to low
pressure is associated with which of the following phase transitions? a. solid
to liquid b. solid to vapor
c. liquid to vapor d. vapor to solid
ANSWER: b
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
122. Crossing the line designated AB in the direction of high pressure to low
pressure is associated with which of the following phase transitions? a.
solid to liquid b. solid to vapor
c. liquid to solid d. liquid to vapor
ANSWER: c
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
123. Crossing the curve designated AD in the direction of high temperature to low
temperature is associated with which of the following phase transitions? a. solid to
liquid b. solid to vapor
c. liquid to vapor d. vapor to solid
ANSWER: d
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
124. Point A is associated with which of the following? a.
solid liquid b. solid vapor
c. liquid vapor d. solid liquid vapor
ANSWER: d
POINTS: 1
TOPICS: 5.10 – WHAT IS A PHASE CHANGE AND WHAT ENERGIES ARE INVOLVED?
125. Consider the following model.