Question 1

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

Accepted Answer

A) evaporation 
B) sublimation 
C) dissociation 
D) condensation 
E) supercooling 
A) evaporation 
B) sublimation 
C) dissociation 
D) condensation 
E) supercooling A

Question 2

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

Accepted Answer

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

Question 3

Detergents and soaps decrease the surface tension of water.

Accepted Answer

A) True 
 B)False  True

Question 4

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

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 5

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

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 6

As temperature increases,viscosity decreases.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

A) Pa 
B) kJ 
C) atm 
D) mm Hg 
E) torr 
A) Pa 
B) kJ 
C) atm 
D) mm Hg 
E) torr

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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?

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

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?

Accepted Answer

A) 2.24 mol 
B) 2.67 mol 
C) 2.81 mol 
D) 31.9 mol 
E) 1.71 × 103 mol 
A) 2.24 mol 
B) 2.67 mol 
C) 2.81 mol 
D) 31.9 mol 
E) 1.71 × 103 mol

Question 14

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

Accepted Answer

A) vapor pressure 
B) surface tension 
C) resistivity 
D) viscosity 
E) compressibility 
A) vapor pressure 
B) surface tension 
C) resistivity 
D) viscosity 
E) compressibility

Question 15

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

Accepted Answer

A) covalent solid 
B) molecular solid 
C) amorphous solid 
D) ionic solid 
E) metallic solid 
A) covalent solid 
B) molecular solid 
C) amorphous solid 
D) ionic solid 
E) metallic solid

Question 16

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?

Accepted Answer

A) 3.00 L 
B) 1.50 L 
C) 0.667 L 
D) 0.500 L 
E) 0.333 L 
A) 3.00 L 
B) 1.50 L 
C) 0.667 L 
D) 0.500 L 
E) 0.333 L

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

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

Question 19

Who discovered the gas law represented in the figure shown?

Accepted Answer

A) Boyle 
B) Charles 
C) Dalton 
D) Avogadro 
E) Torricelli 
A) Boyle 
B) Charles 
C) Dalton 
D) Avogadro 
E) Torricelli

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 5: States of Matter: Gases, liquids, and Solids

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

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

Detergents and soaps decrease the surface tension of water.

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

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

As temperature increases,viscosity decreases.

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

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

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

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

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?

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

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?

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

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

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?

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

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

Who discovered the gas law represented in the figure shown?

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

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

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