Question 1

What would be the new pressure if a 400 mL gas sample at 380 mm Hg is expanded to 800 mL with no change in temperature?

Accepted Answer

A) 190 mm Hg 
B) 380 mm Hg 
C) 570 mm Hg 
D) 760 mm Hg 
E) 950 mm Hg 
A) 190 mm Hg 
B) 380 mm Hg 
C) 570 mm Hg 
D) 760 mm Hg 
E) 950 mm Hg

Question 2

Rank the following in increasing order of increasing boiling point:
N2 CH3CH2OH CO2 HCl

Accepted Answer

A) CH3CH2OH 2 2 
B) HCl 3CH2OH 2 2 
C) N2 2 3CH2OH 
D) CH3CH2OH 2 2 
E) N2 2 3CH2OH < HCl 
A) CH3CH2OH 2 2 
B) HCl 3CH2OH 2 2 
C) N2 2 3CH2OH 
D) CH3CH2OH 2 2 
E) N2 2 3CH2OH < HCl

Question 3

Which process is endothermic?

Accepted Answer

A) Water condenses on the outside of a cold soda can. 
B) The melted wax hardens after a candle is extinguished. 
C) Water vapor forms ice crystals in the upper atmosphere. 
D) Gasoline spilled on the ground evaporates very quickly. 
E) none of the above 
A) Water condenses on the outside of a cold soda can. 
B) The melted wax hardens after a candle is extinguished. 
C) Water vapor forms ice crystals in the upper atmosphere. 
D) Gasoline spilled on the ground evaporates very quickly. 
E) none of the above

Question 4

Calculate the volume of a 3.50 mol sample of carbon dioxide at 30.0°C and 0.900 atm.

Accepted Answer

A) 8.54 × 10-4 L 
B) 2.20 L 
C) 9.58 L 
D) 96.7 L 
E) 421 L 
A) 8.54 × 10-4 L 
B) 2.20 L 
C) 9.58 L 
D) 96.7 L 
E) 421 L

Question 5

Match the following.
-heat of vaporization

Accepted Answer

A) having a definite orderly arrangement of particles 
B) the measure of a liquid's resistance to spreading out. 
C) the amount of space occupied by a gas 
D) the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure 
E) the amount of energy required to convert a liquid into a gas at its boiling point
F)the temperature at which the solid and liquid phase are at equilibrium
G)having no well-ordered shape or form
H)the number and force of collisions between molecules and the walls of the container
I)having atoms covalently bonded together in a large 3-dimensional array
J)the measure of a liquid's resistance to flow. 
A) having a definite orderly arrangement of particles 
B) the measure of a liquid's resistance to spreading out. 
C) the amount of space occupied by a gas 
D) the temperature at which the vapor pressure of a liquid is equal to the atmospheric pressure 
E) the amount of energy required to convert a liquid into a gas at its boiling point
F)the temperature at which the solid and liquid phase are at equilibrium
G)having no well-ordered shape or form
H)the number and force of collisions between molecules and the walls of the container
I)having atoms covalently bonded together in a large 3-dimensional array
J)the measure of a liquid's resistance to flow.

Question 6

Sketch a graph illustrating Charles's Law.Use a gas sample with a volume of 2.0 L at 0.75 atm and 27°C,and show at least two other points.

Accepted Answer

Graph should be a straight line sloping

Question 7

Which assumption of Kinetic Molecular Theory is not followed when a real gas shows non-ideal behavior?

Accepted Answer

A) Gas molecules move at random with no attractive forces between them. 
B) The velocity of gas molecules is proportional to their Kelvin temperature. 
C) The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules. 
D) In collisions with the walls of the container or with other molecules,energy is conserved. 
E) Collisions with the walls of the container or with other molecules are elastic. 
A) Gas molecules move at random with no attractive forces between them. 
B) The velocity of gas molecules is proportional to their Kelvin temperature. 
C) The amount of space occupied by a gas is much greater than the space occupied by the actual gas molecules. 
D) In collisions with the walls of the container or with other molecules,energy is conserved. 
E) Collisions with the walls of the container or with other molecules are elastic.

Question 8

A sealed container with gas at 2.00 atm is heated from 20.0 K to 40.0 K.The new pressure is

Accepted Answer

A) 0.500 atm. 
B) 1.00 atm. 
C) 4.00 atm. 
D) 2.14 atm. 
E) 1.87 atm. 
A) 0.500 atm. 
B) 1.00 atm. 
C) 4.00 atm. 
D) 2.14 atm. 
E) 1.87 atm.

Question 9

Which transformation is sublimation?

Accepted Answer

A) liquid → solid 
B) liquid → gas 
C) solid → liquid 
D) solid → gas 
E) gas → liquid 
A) liquid → solid 
B) liquid → gas 
C) solid → liquid 
D) solid → gas 
E) gas → liquid

Question 10

Which transformation is condensation?

Accepted Answer

A) liquid → solid 
B) liquid → gas 
C) solid → liquid 
D) solid → gas 
E) gas → liquid 
A) liquid → solid 
B) liquid → gas 
C) solid → liquid 
D) solid → gas 
E) gas → liquid

What would be the new pressure if a 400 mL gas sample at 380 mm Hg is expanded to 800 mL with no change in temperature?

Rank the following in increasing order of increasing boiling point: N₂ CH₃CH₂OH CO₂ HCl

Which process is endothermic?

Calculate the volume of a 3.50 mol sample of carbon dioxide at 30.0°C and 0.900 atm.

Match the following. -heat of vaporization

Sketch a graph illustrating Charles's Law.Use a gas sample with a volume of 2.0 L at 0.75 atm and 27°C,and show at least two other points.

Which assumption of Kinetic Molecular Theory is not followed when a real gas shows non-ideal behavior?

A sealed container with gas at 2.00 atm is heated from 20.0 K to 40.0 K.The new pressure is

Which transformation is sublimation?

Which transformation is condensation?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Exam 8: Gases, liquids, and Solids

What would be the new pressure if a 400 mL gas sample at 380 mm Hg is expanded to 800 mL with no change in temperature?

Rank the following in increasing order of increasing boiling point: N2 CH3CH2OH CO2 HCl

Which process is endothermic?

Calculate the volume of a 3.50 mol sample of carbon dioxide at 30.0°C and 0.900 atm.

Match the following. -heat of vaporization

Sketch a graph illustrating Charles's Law.Use a gas sample with a volume of 2.0 L at 0.75 atm and 27°C,and show at least two other points.

Which assumption of Kinetic Molecular Theory is not followed when a real gas shows non-ideal behavior?

A sealed container with gas at 2.00 atm is heated from 20.0 K to 40.0 K.The new pressure is

Which transformation is sublimation?

Which transformation is condensation?

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Rank the following in increasing order of increasing boiling point: N₂ CH₃CH₂OH CO₂ HCl