Question 1

For the following intermolecular force descriptios, select the correct name from the response list: Strongest of all intermolecular forces.

Accepted Answer

A)  London force 
B)  hydrogen bond 
C)  covalent bond 
D)  dipole-dipole interaction 
A)  London force 
B)  hydrogen bond 
C)  covalent bond 
D)  dipole-dipole interaction

Question 2

For each of the physical state characterizations, select from the response list the physical state or states to which the characterizations apply: particles are relatively close together.

Accepted Answer

A)  liquid state only 
B)  solid state only 
C)  both liquid and solid states 
D)  both gaseous and liquid states 
A)  liquid state only 
B)  solid state only 
C)  both liquid and solid states 
D)  both gaseous and liquid states

Question 3

Intermolecular forces differ from intramolecular forces in that:

Accepted Answer

A)  They occur only in liquids. 
B)  They are much stronger. 
C)  They occur only when hydrogen atoms are present. 
D)  More than one correct response. 
E)  No correct response. 
A)  They occur only in liquids. 
B)  They are much stronger. 
C)  They occur only when hydrogen atoms are present. 
D)  More than one correct response. 
E)  No correct response.

Question 4

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) Both dipole-dipole interactions and hydrogen bonds are stronger than most single covalent bonds.
(2) The value of the ideal gas constant is the same for all gases under ordinary conditions of P, V, and T.
(3) Both condensation and freezing are endothermic changes of state.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 5

Which of the following samples of gas would have a new volume of 3.00 liters if the pressure is decreased from 3.00 atm to 1.00 atm at constant temperature?

Accepted Answer

A)  1.00 L He 
B)  5.00 L CO2 
C)  9.00 L H2S 
D)  more than one correct response 
E)  no correct response 
A)  1.00 L He 
B)  5.00 L CO2 
C)  9.00 L H2S 
D)  more than one correct response 
E)  no correct response

Question 6

For the following intermolecular force descriptios, select the correct name from the response list: "Instantaneous" electrostatic interaction between nonpolar molecules.

Accepted Answer

A)  London force 
B)  hydrogen bond 
C)  covalent bond 
D)  dipole-dipole interaction 
A)  London force 
B)  hydrogen bond 
C)  covalent bond 
D)  dipole-dipole interaction

Question 7

Which of the following descriptions apply to matter in the liquid state?

Accepted Answer

A)  Temperature change significantly influences the volume. 
B)  Particles are less free to move about than in the solid state. 
C)  Particles transfer energy from one to another through collisions. 
D)  More than one correct response. 
E)  No correct response. 
A)  Temperature change significantly influences the volume. 
B)  Particles are less free to move about than in the solid state. 
C)  Particles transfer energy from one to another through collisions. 
D)  More than one correct response. 
E)  No correct response.

Question 8

In which of the following pairs of state changes is the final state (solid, liquid, gas) the same for both members of the pair?

Accepted Answer

A)  sublimation and evaporation 
B)  condensation and freezing 
C)  deposition and melting 
D)  more than one correct response 
E)  no correct response 
A)  sublimation and evaporation 
B)  condensation and freezing 
C)  deposition and melting 
D)  more than one correct response 
E)  no correct response

Question 9

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) The process of breathing is readily explained using Charles's law.
(2) In a molecular system, kinetic energy is considered to be a disruptive force.
(3) A pressure of 200 mm Hg and a pressure of 200 torr are equal.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 10

A liquid is placed in a closed container. Equilibrium is reached when

Accepted Answer

A)  all of the liquid evaporates 
B)  when the rate of condensation equals the rate of evaporation 
C)  when the rate of condensation exceeds the rate of evaporation 
D)  when molecules cease to pass from the liquid state to the vapor state 
A)  all of the liquid evaporates 
B)  when the rate of condensation equals the rate of evaporation 
C)  when the rate of condensation exceeds the rate of evaporation 
D)  when molecules cease to pass from the liquid state to the vapor state

Question 11

How many times larger in size is the atmosphere pressure unit than the mm Hg pressure unit?

Accepted Answer

A)  100 
B)  325 
C)  760 
D)  1000 
A)  100 
B)  325 
C)  760 
D)  1000

Question 12

For each of the physical state characterizations, select from the response list the physical state or states to which the characterizations apply: definite volume.

Accepted Answer

A)  liquid state only 
B)  solid state only 
C)  both liquid and solid states 
D)  both gaseous and liquid states 
A)  liquid state only 
B)  solid state only 
C)  both liquid and solid states 
D)  both gaseous and liquid states

Question 13

Considering change of state descriptions, select the name of the change of state for the opposite of evaporation.

Accepted Answer

A)  sublimation 
B)  condensation 
C)  deposition 
D)  freezing 
A)  sublimation 
B)  condensation 
C)  deposition 
D)  freezing

Question 14

Consider the mathematical expressions for gas laws listed, select the correct name for the law from the response list:

Accepted Answer

A)  Avogadro's law 
B)  Boyle's law 
C)  Charles's law 
D)  combined gas law 
A)  Avogadro's law 
B)  Boyle's law 
C)  Charles's law 
D)  combined gas law

Question 15

Characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: (1) Water's boiling point is much lower than expected, based on comparison with other substances, because of hydrogen bonding.
(2) In the gaseous state, disruptive forces and cohesive forces are of about the same magnitude.
(3) As liquid surface area increases, the rate of evaporation of a liquid increases because molecules encounter less external pressure.

Accepted Answer

A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true. 
A)  All three statements are true. 
B)  Two of the three statements are true. 
C)  Only one of the statements is true. 
D)  None of the statements is true.

Question 16

Charles's law involves which of the following?

Accepted Answer

A)  an indirect proportion 
B)  a fixed quantity of gas 
C)  constant temperature 
D)  more than one correct response 
E)  no correct response 
A)  an indirect proportion 
B)  a fixed quantity of gas 
C)  constant temperature 
D)  more than one correct response 
E)  no correct response

Question 17

A 1.00 mole sample of a gas would have a volume of 0.821 L at which of the following temperature and pressure conditions?

Accepted Answer

A)  300 K and 30.0 atm 
B)  -123F1F1F1S1F1F1F10 C and 15.0 atm 
C)  300F1F1F1S1F1F1F10 C and 10.0 atm 
D)  more than one correct response 
E)  no correct response 
A)  300 K and 30.0 atm 
B)  -123F1F1F1S1F1F1F10 C and 15.0 atm 
C)  300F1F1F1S1F1F1F10 C and 10.0 atm 
D)  more than one correct response 
E)  no correct response

Question 18

A gas has a volume of 2.60 liters at a temperature of 87F1F1F1S1F1F1F10C and pressure of 1.30 atm. What is the volume of the gas, in liters, at a temperature of 367F1F1F1S1F1F1F10C and a pressure of 4.70 atm?

Accepted Answer

A)  0.782 L 
B)  1.28 L 
C)  0.405 L 
D)  9.80 F1F1F1S1F1F1F10 104 L 
A)  0.782 L 
B)  1.28 L 
C)  0.405 L 
D)  9.80 F1F1F1S1F1F1F10 104 L

Question 19

Which of the following descriptions apply to matter in the gaseous state?

Accepted Answer

A)  Definite shape and definite volume. 
B)  Disruptive and cohesive forces are about equal. 
C)  Pressure change significantly influences the volume. 
D)  More than one correct response. 
E)  No correct response. 
A)  Definite shape and definite volume. 
B)  Disruptive and cohesive forces are about equal. 
C)  Pressure change significantly influences the volume. 
D)  More than one correct response. 
E)  No correct response.

Question 20

Consider the mathematical expressions for gas laws listed, select the correct name for the law from the response list: V1T2 = V2T1.

Accepted Answer

A)  Avogadro's law 
B)  Boyle's law 
C)  Charles's law 
D)  combined gas law 
A)  Avogadro's law 
B)  Boyle's law 
C)  Charles's law 
D)  combined gas law

Exam 7: Gases, Liquids, and Solids

For the following intermolecular force descriptios, select the correct name from the response list: Strongest of all intermolecular forces.

For each of the physical state characterizations, select from the response list the physical state or states to which the characterizations apply: particles are relatively close together.

Intermolecular forces differ from intramolecular forces in that:

Which of the following samples of gas would have a new volume of 3.00 liters if the pressure is decreased from 3.00 atm to 1.00 atm at constant temperature?

For the following intermolecular force descriptios, select the correct name from the response list: "Instantaneous" electrostatic interaction between nonpolar molecules.

Which of the following descriptions apply to matter in the liquid state?

In which of the following pairs of state changes is the final state (solid, liquid, gas) the same for both members of the pair?

A liquid is placed in a closed container. Equilibrium is reached when

How many times larger in size is the atmosphere pressure unit than the mm Hg pressure unit?

For each of the physical state characterizations, select from the response list the physical state or states to which the characterizations apply: definite volume.

Considering change of state descriptions, select the name of the change of state for the opposite of evaporation.

Consider the mathematical expressions for gas laws listed, select the correct name for the law from the response list:

Charles's law involves which of the following?

A 1.00 mole sample of a gas would have a volume of 0.821 L at which of the following temperature and pressure conditions?

A gas has a volume of 2.60 liters at a temperature of 87C and pressure of 1.30 atm. What is the volume of the gas, in liters, at a temperature of 367C and a pressure of 4.70 atm?

Which of the following descriptions apply to matter in the gaseous state?

Consider the mathematical expressions for gas laws listed, select the correct name for the law from the response list: V1T2 = V2T1.

Basic Concepts About Matter

Measurements in Chemistry

Atomic Structure and the Periodic Table

Chemical Bonding: the Ionic Bond Model

Chemical Bonding: the Covalent Bond Model

Chemical Calculations: Formula Masses, Moles, and Chemical Equations

Solutions

Chemical Reactions

Acids, Bases, and Salts

Nuclear Chemistry

Saturated Hydrocarbons

Unsaturated Hydrocarbons

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids, Esters, and Other Acid Derivatives

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes and Vitamins

Nucleic Acids

Biochemical Energy Production

Carbohydrate Metabolism

Lipid Metabolism

Protein Metabolism

Filters

Consider the mathematical expressions for gas laws listed, select the correct name for the law from the response list: V₁T₂ = V₂T₁.