Introduction to General, Organic, and Biochemistry 10th Edition By Katherine Denniston - Test Bank

Introduction to General, Organic, and Biochemistry 10th Edition By Katherine Denniston – Test Bank

 

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Sample Questions Are Posted Below

 

General, Organic, and Biochemistry, 10e (Denniston)

Chapter 5   States of Matter: Gases, Liquids, and Solids

 

1) Which statement concerning the three states of matter is FALSE?

1. A) Particles of a gas are well separated, have no regular arrangement, and move at high speeds.
2. B) Particles of a solid have low kinetic energy, and are held close together by strong attractive forces.
3. C) Particles of a liquid have a rigid, ordered arrangement due to the high speeds of the liquid particles.
4. D) Gases have low densities and high compressibility due to the large amount of space between gas particles.
5. E) Phase changes between the three states of matter are physical changes; no change in the identity or composition of the substance occurs.

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids; Properties of Liquids; Properties of Gases

 

2) Gas pressure is a result of which of the following?

1. A) collisions of gas particles with each other
2. B) expansion of gas particles in an open container
3. C) the resistance of gas particles to flow
4. D) collisions of gas particles with the walls of the container
5. E) compressibility of gas particles

 

Answer:  D

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Gas and Pressure

 

 

 

3) Which of the following statements correctly describes Boyle’s Law?

1. A) The volume of a gas is directly proportional to the number of moles of the gas, if the pressure and temperature remain constant.
2. B) The volume of a gas is directly proportional to the Kelvin temperature of the gas, if the pressure and amount of gas remain constant.
3. C) The pressure of a gas is inversely proportional to the volume of the gas, if the temperature and amount of gas remain constant.
4. D) The pressure of a gas is directly proportional to the Kelvin temperature of the gas, if the volume and amount of gas remain constant.
5. E) The total pressure exerted by a mixture of gases in a container is the sum of the partial pressures that each gas would exert alone.

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

4) Which of the following statements correctly describes Charles’s Law?

1. A) The volume of a gas is directly proportional to the number of moles of the gas, if the pressure and temperature remain constant.
2. B) The volume of a gas is directly proportional to the Kelvin temperature of the gas, if the pressure and amount of gas remain constant.
3. C) The pressure of a gas is inversely proportional to the volume of the gas, if the temperature and amount of gas remain constant.
4. D) The pressure of a gas is directly proportional to the Kelvin temperature of the gas, if the volume and amount of gas remain constant.
5. E) The total pressure exerted by a mixture of gases in a container is the sum of the partial pressures that each gas would exert alone.

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

 

 

5) Which of the following statements correctly describes Avogadro’s Law?

1. A) Equal volumes of any ideal gas contain the same number of moles, if measured at the same temperature and pressure.
2. B) The volume of a gas is directly proportional to the Kelvin temperature of the gas, if the pressure and amount of gas remain constant.
3. C) The pressure of a gas is inversely proportional to the volume of the gas, if the temperature and amount of gas remain constant.
4. D) The pressure of a gas is directly proportional to the Kelvin temperature of the gas, if the volume and amount of gas remain constant.
5. E) The total pressure exerted by a mixture of gases in a container is the sum of the partial pressures that each gas would exert alone.

 

Answer:  A

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

6) Which of the following represent STP (Standard Temperature and Pressure) conditions?

1. A) T = 0 K and P = 1 atm
2. B) T = 273 K and P = 0 atm
3. C) T = 1 K and P = 1 atm
4. D) T = 273 K and P = 1 atm
5. E) T = 0°C and P = 760 atm

 

Answer:  D

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

 

 

7) Dalton’s Law of Partial Pressures states which of the following?

1. A) The total pressure exerted by a mixture of gases in a container is equal to the highest partial pressure exerted by any of the gases in the container.
2. B) The total pressure exerted by a mixture of gases in a container is the sum of the pressures that each gas would exert if present alone under similar conditions.
3. C) The total pressure exerted by a mixture of gases in a container is the average of the pressures that each gas would exert if present alone under similar conditions.
4. D) The total pressure exerted by a mixture of gases in a container is inversely proportional to the pressure that each gas would exert if present alone under similar conditions.
5. E) The total pressure exerted by a mixture of gases in a container is equal to the range of partial pressures of each gas in the container.

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Dalton’s Law of Partial Pressures

 

8) Which statement INCORRECTLY describes what happens to a sample of gas when it experiences an increase in temperature?

1. A) The volume of the gas increases, as long as the pressure remains constant.
2. B) The pressure of the gas increases, if the volume remains constant.
3. C) The kinetic energy of the gas particles increases.
4. D) The number of gas particles increases.
5. E) The gas particles move with increased speed.

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined); Properties of Gases

 

 

 

9) Which gas under the specified conditions would come closest to exhibiting ideal gas behavior?

1. A) H2at low pressure and high temperature
2. B) NH3at low pressure and high temperature
3. C) H2at high pressure and low temperature
4. D) NH3at low pressure and low temperature
5. E) NH3at high pressure and low temperature

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

10) At 100°C, which gas sample exerts the greatest pressure?

 

1. A) A
2. B) B
3. C) C
4. D) D
5. E) They would all exert the same pressure.

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Subtopic:  Gas and Pressure

 

 

 

11) What process is responsible for the formation of dew on the grass early in the morning?

1. A) sublimation
2. B) evaporation
3. C) condensation
4. D) freezing
5. E) deposition

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

12) Two molecules of ethane experience what type of attractive forces?

 

1. A) London dispersion forces
2. B) dipole-dipole interactions
3. C) hydrogen bonding
4. D) ionic bonding
5. E) covalent bonding

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

 

 

13) Sarin is a nerve gas that was previously used as a chemical weapon. Considering the physical properties of sarin shown in the table, which statement about sarin is FALSE?

 

Melting point	−56°C
Boiling point	158°C

 

1. A) A sample of sarin at 0°C exists as a liquid.
2. B) A sample of sarin at room temperature (22°C) exists as a liquid.
3. C) A sample of sarin at -100°C exists as a solid.
4. D) A sample of sarin at 100°C exists as a gas.
5. E) A sample of sarin at 170°C exists as a gas.

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

14) Which of the following is(are) NOT a type of crystalline solid?

1. A) covalent solid
2. B) molecular solid
3. C) amorphous solid
4. D) ionic solid
5. E) metallic solid

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.03

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids

 

 

 

15) What state(s) of matter is most compressible?

1. A) solid
2. B) liquid
3. C) gas
4. D) solid and liquid
5. E) liquid and gas

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids; Properties of Liquids; Properties of Gases

 

16) Which of the following is NOT a unit for measuring pressure?

1. A) Pa
2. B) kJ
3. C) atm
4. D) mm Hg
5. E) torr

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

17) What law predicts the expansion of a balloon when helium is added?

1. A) Boyle’s Law
2. B) Charles’s Law
3. C) Avogadro’s Law
4. D) Ideal Gas Law
5. E) None of the choices are correct.

 

Answer:  C

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

 

 

18) Consider 1.00 L of air in a patient’s lungs at 37.0°C and 1.00 atm pressure. What volume would this air occupy if it were at 25.0°C under a pressure of 5.00 × 102 atm (a typical pressure in a compressed air cylinder)?

1. A) 1.35 × 10-3L
2. B) 480 L
3. C) 2.08 × 10-3L
4. D) 1.92 × 10-3L
5. E) 374 L

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

19) Calculate the density of nitrogen gas (N2) at STP, in g/L. [Molar mass: N2, 28.0 g/mol]

1. A) 0.645 g/L
2. B) 0.800 g/L
3. C) 1.25 g/L
4. D) 2.39 g/L
5. E) 3.58 g/L

 

Answer:  C

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

 

 

20) What is the volume occupied by a mole of an ideal gas, if the pressure is 626 mmHg and the temperature is 25.0°C?

29. A) 29.7 L
30. B) 3.28 × 10-3L
31. C) 2.49 L
32. D) 3.91 × 10-2L
33. E) 5.66 L

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Ideal Gas Law

 

21) A gas sample is prepared in which the components have the following partial pressures: nitrogen, 555 mmHg; oxygen, 149 mmHg; water vapor, 13 mmHg; argon, 7 mmHg. What is the total pressure of this mixture?

1. A) 760 mmHg
2. B) 724 mmHg
3. C) 1480 mmHg
4. D) 386 mmHg
5. E) 614 mmHg

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Dalton’s Law of Partial Pressures

 

 

 

22) What property of liquids explains the formation of spherical water droplets on green leaves?

1. A) viscosity
2. B) surface tension
3. C) adhesion
4. D) vapor pressure
5. E) None of the choices are correct.

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

23) How can pure water be made to boil at a temperature below 100°C?

1. A) increase the volume of water
2. B) decrease the volume of water
3. C) increase the pressure above 1 atm
4. D) decrease the pressure below 1 atm
5. E) Both decrease the volume of water and increase the pressure above 1 atm are correct.

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

24) To which elements must hydrogen be bonded in order to display hydrogen bonding?

1. A) fluorine
2. B) oxygen
3. C) nitrogen
4. D) All of the choices are correct.
5. E) Both oxygen and nitrogen are correct.

 

Answer:  D

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

 

 

25) A barometer measures

1. A) the pressure of a gas sample in a container.
2. B) the difference in pressure between two gas samples.
3. C) the difference in pressure between a gas sample and atmospheric pressure.
4. D) atmospheric pressure.
5. E) the pressure of an ideal gas.

 

Answer:  D

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Gas and Pressure

 

26) Which of the following statements concerning gases is FALSE?

1. A) Gases are made up of tiny atoms or molecules that are in constant, random motion.
2. B) Gases expand to fill the shape and volume of their container because the rapidly moving particles experience negligible attractive forces.
3. C) Gas pressure is the result of particles of a gas colliding with each other.
4. D) As the temperature of a gas increases, the kinetic energy of the particles increases.
5. E) Gases are highly compressible because most of the volume occupied by a gas is empty space.

 

Answer:  C

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

27) One standard atmosphere of pressure (1 atm) is equivalent to what pressure expressed in units of mm Hg?

14. A) 14.7 mm Hg
15. B) 380 mm Hg
16. C) 760 mm Hg
17. D) 0.333 mm Hg
18. E) 30 mm Hg

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

28) Aircraft cabins are pressurized for passenger comfort and safety when cruising altitudes are greater than about 12,000 feet. If the inside of an aircraft cabin is pressurized to 10.9 psi, what is the equivalent pressure in atm?

1. A) 75 atm
2. B) 1.3 atm
3. C) 1.1 atm
4. D) 0.0009 atm
5. E) 0.74 atm

 

Answer:  E

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

29) In the graph shown, which line is the best representation of Boyle’s Law regarding behavior of a gas?

 

1. A) A
2. B) B
3. C) C
4. D) D
5. E) E

 

Answer:  E

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

 

 

30) Who formulated the relationship between the volume and the pressure of a gas?

1. A) Boyle
2. B) Charles
3. C) Dalton
4. D) Gay-Lussac
5. E) Torricelli

 

Answer:  A

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

31) A sample of oxygen occupies 1.00 L. If the temperature remains constant, and the pressure on the oxygen is decreased to one third the original pressure, what is the new volume?

3. A) 3.00 L
4. B) 1.50 L
5. C) 0.667 L
6. D) 0.500 L
7. E) 0.333 L

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

32) A given mass of oxygen at room temperature occupies a volume of 500.0 mL at 1.50 atm pressure. What pressure must be applied to compress the gas to a volume of only 150.0 mL?

1. A) 500 atm
2. B) 150 atm
3. C) 5.00 atm
4. D) 1.50 atm
5. E) 0.500 atm

 

Answer:  C

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

33) A sample of oxygen gas occupies 3.0 L at a pressure of 1.5 atm. If the volume of this sample increases without changing the temperature or the amount of gas, what can be said about the pressure?

1. A) The pressure of oxygen will remain at 1.5 atm.
2. B) The pressure of oxygen will be less than 1.5 atm.
3. C) The pressure of oxygen will be greater than 1.5 atm.
4. D) The pressure of oxygen will be 4.5 atm.
5. E) It is impossible to predict.

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined); Properties of Gases

 

34) A balloon filled with helium has a volume of 1.00 × 103 L at 20°C. What would be the balloon’s volume at 30°C, if the pressure surrounding the balloon remains constant?

6. A) 6.7 × 102L
7. B) 9.70 × 102L
8. C) 1.03 × 103L
9. D) 1.11 × 103L
10. E) 1.50 × 103L

 

Answer:  C

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

 

 

35) Who discovered the gas law represented in the figure shown?

 

1. A) Boyle
2. B) Charles
3. C) Dalton
4. D) Avogadro
5. E) Torricelli

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

36) What is the volume occupied by one mole of helium at 0°C and 1 atm pressure?

1. A) 1.0 L
2. B) 22.4 L
3. C) 4.0 L
4. D) 40.0 L
5. E) 12.2 L

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP; The Ideal Gas Law

 

 

 

37) A helium-filled weather balloon is launched from the ground where the pressure is 752 mmHg and the temperature is 21°C. Under these conditions its volume is 75.0 L. When it has climbed to an altitude where the pressure is 89 mmHg and the temperature is 0°C, what is its volume?

1. A) 0.00 L
2. B) 8.24 L
3. C) 9.56 L
4. D) 588 L
5. E) 682 L

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

38) Hydrogen cyanide (HCN) is a poisonous gas that has been used to execute prisoners in the gas chamber. How many moles of HCN are present in a 67.0 L cylinder at 25.0°C that is registering a pressure of 742 mm Hg?

2. A) 2.24 mol
3. B) 2.67 mol
4. C) 2.81 mol
5. D) 31.9 mol
6. E) 1.71 × 103mol

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Ideal Gas Law

 

 

 

39) Carbon dioxide acts as a greenhouse gas by

1. A) absorbing visible radiation.
2. B) absorbing ultraviolet radiation.
3. C) absorbing infrared radiation.
4. D) storing solar energy.
5. E) trapping sunlight during photosynthesis.

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases

 

40) Which of the following statements conflicts with the kinetic molecular theory of gases?

1. A) There are no forces between gas particles.
2. B) Gas particles occupy a negligible volume compared with the volume of their container.
3. C) The average kinetic energy of the gas particles is proportional to the absolute temperature.
4. D) Gas particles lose energy only when they collide with the walls of the container.
5. E) Gas particles are in constant, random motion.

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Kinetic-Molecular Theory

 

41) What quantity is directly proportional to the kinetic energy of the particles in a gas?

1. A) distance between molecules
2. B) absolute temperature
3. C) atomic mass
4. D) formula mass
5. E) volume of the individual particles

 

Answer:  B

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases

 

 

 

42) Of the following gases, which will behave most like an ideal gas?

1. A) N2
2. B) HF
3. C) NH3
4. D) CH3Cl
5. E) CO

 

Answer:  A

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

43) What is the experimental quantity that serves as a measure of resistance to flow of a liquid?

1. A) vapor pressure
2. B) surface tension
3. C) resistivity
4. D) viscosity
5. E) compressibility

 

Answer:  D

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

 

 

44) An aerosol spray paint can with a volume of 350 mL registers a pressure of 4.5 atm at room temperature. What can be said about the pressure inside the can if it is stored outside during the winter months?

4. A) The pressure of the gas will be greater than 4.5 atm.
5. B) The pressure of the gas will be less than 4.5 atm.
6. C) The pressure of the gas will remain at 4.5 atm.
7. D) The pressure of the gas will be 1575 atm.
8. E) It is impossible to say anything about the pressure without additional information.

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined); Properties of Gases

 

45) Surface tension

1. A) increases with increasing temperature.
2. B) is unaffected by temperature.
3. C) is higher for nonpolar substances than for polar ones.
4. D) is lowered by surfactants.
5. E) is the same as viscosity.

 

Answer:  D

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

 

 

46) What is the term that describes a liquid changing to a vapor at a temperature less than its boiling point?

1. A) evaporation
2. B) sublimation
3. C) dissociation
4. D) condensation
5. E) supercooling

 

Answer:  A

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

47) Which one of the following substances, with their structures shown, will NOT display hydrogen bonding?

 

1. A) A
2. B) B
3. C) C
4. D) D
5. E) E

 

Answer:  E

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

 

 

48) How are the volume and temperature of a gas related?

1. A) They are directly related when the pressure and amount of gas remain constant.
2. B) They are inversely related when the pressure and amount of gas remain constant.
3. C) They are equal to each other when the pressure and amount of gas remain constant.
4. D) There is no apparent relation between the two.
5. E) The amount and type of gas must be specified in order to determine their relationship.

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

49) According to the kinetic molecular theory, which statement concerning gases is TRUE?

1. A) Gases are mostly empty space.
2. B) The average kinetic energy of the molecules increases with decreasing temperature.
3. C) Gas molecules are strongly attracted to each other.
4. D) When gas molecules collide they lose energy.
5. E) Gas molecules are very closely packed together.

 

Answer:  A

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

50) A gas with pressure of 5.0 atm is compressed at constant temperature from 10.0 L to 2.0 L. What is the pressure of the gas after it is compressed?

4. A) 4.0 L
5. B) 1.0 × 102L
6. C) 1.0 L
7. D) 0.40 L
8. E) 25 L

 

Answer:  E

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

51) A balloon at 25°C has 1.00 L of air. The balloon is heated to 40°C at constant pressure. What is the new volume?

1. A) 1.00 × 103L
2. B) 1.05 L
3. C) 1.60 L
4. D) 15.0 L
5. E) 2.25 L

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

52) A balloon containing helium at constant pressure and temperature has the volume doubled by adding a more helium. Which statement(s) is(are) TRUE?

1. A) The number of helium atoms doubled.
2. B) The number of moles of helium doubled.
3. C) The mass of helium in the balloon doubled.
4. D) All of the statements are true.
5. E) All of the statements are false.

 

Answer:  D

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined); Properties of Gases

 

 

 

53) What mass of helium is contained in a 2.0 L balloon at 30.0°C and 735 mm Hg?

26. A) 26.5 g
27. B) 0.477 g
28. C) 514 g
29. D) 66.1 g
30. E) 0.312 g

 

Answer:  E

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Apply

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Ideal Gas Law

 

54) Which of the following is a statement of Dalton’s law of partial pressure?

1. A) The total pressure of a mixture of gases is the sum of the partial pressure of each gas that makes up the mixture.
2. B) The partial pressure of a gas is equal to the total pressure of the mixture.
3. C) Gases can exist as mixtures at STP only.
4. D) The total pressure of a mixture of gases is the product of the partial pressures of each gas in the mixture.
5. E) In a mixture of two gases, the pressure of each gas is 1/2 the total pressure.

 

Answer:  A

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Dalton’s Law of Partial Pressures

 

 

 

55) Which statement is true concerning an ideal gas?

1. A) Gases behave more ideally at low temperatures than at high temperatures.
2. B) Polar molecules are more ideal than nonpolar molecules.
3. C) Gases behave more ideally at low pressure than at high pressure.
4. D) Both the statements Gases behave more ideally at low temperatures than at high temperatures and Polar molecules are more ideal than nonpolar molecules are correct.
5. E) Both the statements Polar molecules are more ideal than nonpolar molecules and Gases behave more ideally at low pressure than at high pressure are true.

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

56) Glycerol is a very polar compound. Dimethyl ether is only slightly polar. Which statement is TRUE?

 

1. A) Glycerol is less viscous than dimethyl ether.
2. B) Glycerol will have a greater surface tension than dimethyl ether.
3. C) Dimethyl ether has a lower vapor pressure than glycerol.
4. D) The viscosity of both substances will increase with increasing temperature.
5. E) Glycerol will evaporate at a faster rate than dimethyl ether.

 

Answer:  B

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

 

 

57) Which of the following is TRUE for a liquid that is placed in a sealed container?

1. A) Evaporation of the liquid cannot occur.
2. B) Once equilibrium is established between the liquid and the vapor, the rate of the evaporation process will equal the rate of condensation.
3. C) All molecules stay in the liquid state.
4. D) Condensation of the evaporated molecules in the jar can only occur once all of the liquid molecules are in the vapor (or gaseous) state.
5. E) A set vapor pressure will be reached, which is the same at all temperatures.

 

Answer:  B

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes; Properties of Liquids

 

58) Which substance is expected to have the highest boiling point?

1. A) CO2
2. B) HCl
3. C) CH3OH
4. D) CH4
5. E) BF3

 

Answer:  C

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

 

 

59) Which statement about a crystalline solid is always TRUE?

1. A) A crystalline solid has a regular repeating structure of the atoms, ions, or molecules that make up the solid.
2. B) A crystalline solid will always have a high melting point.
3. C) A crystalline solid will always have a low melting point.
4. D) A crystalline solid contains only ionic bonds.
5. E) A crystalline solid is another name for an amorphous solid.

 

Answer:  A

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.03

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids

 

60) Which property is typical for molecular solids?

1. A) consist of only metal atoms
2. B) contain ionic and covalent bonds
3. C) have low melting points
4. D) have no organized structure
5. E) will boil at very high temperature

 

Answer:  C

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.03

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids

 

61) Liquids and solids are both highly compressible.

 

Answer:  FALSE

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids; Properties of Liquids

 

 

 

62) The density of hydrogen gas is lower than that of uranium hexafluoride (UF6) gas if both are measured at STP.

 

Answer:  TRUE

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Units of Pressure and STP

 

63) Dalton’s Law states that the volume of a gas varies directly with the absolute temperature.

 

Answer:  FALSE

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  The Gas Laws (Avogadro, Boyle, Charles, Gay-Lussac, Combined)

 

64) Ethylene glycol molecules have a greater attraction for cyclopentane molecules than for each other.

 

Answer:  FALSE

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

 

 

65) When acetone (a component of nail polish remover) evaporates, hydrogen bonds between acetone molecules must be broken up.

 

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

66) Polar gases exhibit more ideal behavior than nonpolar ones.

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.01

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Gases; Kinetic-Molecular Theory

 

67) As temperature increases, viscosity decreases.

 

Answer:  TRUE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

 

 

68) Glycerol has a lower viscosity than ethanol.

 

 

Answer:  FALSE

Difficulty: 3 Hard

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding); Properties of Liquids

 

69) Detergents and soaps decrease the surface tension of water.

 

Answer:  TRUE

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Liquids

 

70) The boiling point of a liquid is dependent on the atmospheric pressure.

 

Answer:  TRUE

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes; Properties of Liquids

 

 

 

71) The temperature in which water boils inside a pressure cooker is lower than in an open pan at sea level.

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes

 

72) Polar compounds generally have higher boiling points than nonpolar compounds of similar molecular weight.

 

Answer:  TRUE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes; Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

73) All compounds containing both oxygen and hydrogen will exhibit hydrogen bonding.

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

74) Ionic compounds tend to have higher melting points than molecular compounds.

 

Answer:  TRUE

Difficulty: 1 Easy

Topic:  Gases, Liquids, and Solids

Bloom’s:  Remember

Section number:  05.03

Accessibility:  Keyboard Navigation

Subtopic:  Phase Changes; Properties of Solids

 

 

 

75) The attractive forces between acetone molecules are stronger than the attractive forces between water molecules.

 

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Analyze

Section number:  05.02

Accessibility:  Keyboard Navigation

Subtopic:  Types of Intermolecular Forces (London, Dipole-Dipole, Hydrogen Bonding)

 

76) Metals conduct electricity well due to the mobility of the metal ions in the solid.

 

Answer:  FALSE

Difficulty: 2 Medium

Topic:  Gases, Liquids, and Solids

Bloom’s:  Understand

Section number:  05.03

Accessibility:  Keyboard Navigation

Subtopic:  Properties of Solids