12.1
A force that occurs between molecules is called:
1.
2.
3.
4.
5.
Tro IC3
Intramolecular
Intermolecular
Molecular
Covalent
Ionic
12.1
A force that occurs between molecules is called:
1.
2.
3.
4.
5.
Tro IC3
Intramolecular
Intermolecular
Molecular
Covalent
Ionic
12.2
A force that occurs between atoms within a
compound might be:
1.
2.
3.
4.
5.
Tro IC3
Intramolecular
Ionic
Covalent
All of the above
Two of the above
12.2
A force that occurs between atoms within a
compound might be:
1.
2.
3.
4.
5.
Tro IC3
Intramolecular
Ionic
Covalent
All of the above
Two of the above
12.3
Which pure compound has the highest total
intermolecular forces per molecule at 25 °C?
1.
2.
3.
4.
5.
Tro IC3
Carbon dioxide
Water
Rubbing alcohol
Table sugar
Gasoline
12.3
Which pure compound has the highest total
intermolecular forces per molecule at 25 °C?
1.
2.
3.
4.
5.
Tro IC3
Carbon dioxide
Water
Rubbing alcohol
Table sugar
Gasoline
12.4
Which property describes a molecular liquid?
1.
2.
3.
4.
5.
Tro IC3
The molecules are close together.
The density is higher than its gas.
It is not compressed easily.
It assumes the shape of its container.
All of the above
12.4
Which property describes a molecular liquid?
1.
2.
3.
4.
5.
Tro IC3
The molecules are close together.
The density is higher than its gas.
It is not compressed easily.
It assumes the shape of its container.
All of the above
12.5
Which property best describes a molecular solid?
1. The solid has a lower density than its gas.
2. The solid has a lower average kinetic energy
than its gas at the same temperature.
3. The solid is easy to compress.
4. The solid does not assume the shape of its
container.
5. All of the above
Tro IC3
12.5
Which property best describes a molecular solid?
1. The solid has a lower density than its gas.
2. The solid has a lower average kinetic energy
than its gas at the same temperature.
3. The solid is easy to compress.
4. The solid does not assume the shape of its
container.
5. All of the above
Tro IC3
12.6
1.
2.
3.
4.
Why doesn’t a paper clip sink when the clip is
placed gently on water?
It is less dense than water.
It is more dense than water.
The repulsive forces override the attractive forces.
There are strong intermolecular forces between the
water and the metal.
5. The molecules of water hold to each other and keep
it from sinking.
Tro IC3
12.6
1.
2.
3.
4.
Why doesn’t a paper clip sink when the clip is
placed gently on water?
It is less dense than water.
It is more dense than water.
The repulsive forces override the attractive forces.
There are strong intermolecular forces between the
water and the metal.
5. The molecules of water hold to each other and keep
it from sinking.
Tro IC3
12.7
1.
2.
3.
4.
5.
Tro IC3
Which of the following has the highest viscosity?
Oxygen gas
Pancake syrup
Running water
Liquid helium
Rubbing alcohol
12.7
1.
2.
3.
4.
5.
Tro IC3
Which of the following has the highest viscosity?
Oxygen gas
Pancake syrup
Running water
Liquid helium
Rubbing alcohol
12.8
1.
2.
3.
4.
5.
Tro IC3
The transformation from a liquid to a gas is called:
Condensation
Evaporation
Sublimation
Vaporization
Two of the above
12.8
1.
2.
3.
4.
5.
Tro IC3
The transformation from a liquid to a gas is called:
Condensation
Evaporation
Sublimation
Vaporization
Two of the above
12.9
What happens to the kinetic energy of gaseous
water molecules during condensation?
1.
2.
3.
4.
5.
Tro IC3
It remains unchanged.
It decreases.
It increases.
None of the above
All of the above
12.9
What happens to the kinetic energy of gaseous
water molecules during condensation?
1.
2.
3.
4.
5.
Tro IC3
It remains unchanged.
It decreases.
It increases.
None of the above
All of the above
12.10
Which of the following is the most volatile?
1.
2.
3.
4.
5.
Tro IC3
Gold
Vegetable oil
Water
Motor oil
Fingernail polish remover
12.10
Which of the following is the most volatile?
1.
2.
3.
4.
5.
Tro IC3
Gold
Vegetable oil
Water
Motor oil
Fingernail polish remover
12.11
1.
2.
3.
4.
5.
What is the relationship between the external
pressure and the boiling point of a compound?
The boiling point increases with increased pressure.
The boiling point increases with decreased pressure.
The boiling point decreases with increased pressure.
The boiling point decreases with decreased pressure.
Two of the above
Tro IC3
12.11
1.
2.
3.
4.
5.
What is the relationship between the external
pressure and the boiling point of a compound?
The boiling point increases with increased pressure.
The boiling point increases with decreased pressure.
The boiling point decreases with increased pressure.
The boiling point decreases with decreased pressure.
Two of the above
Tro IC3
12.12
What is the gas found within a bubble of boiling
water?
1.
2.
3.
4.
5.
Tro IC3
Oxygen
Water vapor
Nothing
Hydrogen
Nitrogen
12.12
What is the gas found within a bubble of boiling
water?
1.
2.
3.
4.
5.
Tro IC3
Oxygen
Water vapor
Nothing
Hydrogen
Nitrogen
12.13
Which of the following processes are exothermic?
1.
2.
3.
4.
5.
Tro IC3
Boiling
Freezing
Condensation
Both 1 and 2
Both 2 and 3
12.13
Which of the following processes are exothermic?
1.
2.
3.
4.
5.
Tro IC3
Boiling
Freezing
Condensation
Both 1 and 2
Both 2 and 3
12.14
Which of the following contains the most thermal
energy?
1.
2.
3.
4.
5.
Tro IC3
5 grams of water at 100 °C
5 grams of water at 75 °C
5 grams of steam at 100 °C
5 grams of water at 0 °C
5 grams of ice at 0 °C
12.14
Which of the following contains the most thermal
energy?
1.
2.
3.
4.
5.
Tro IC3
5 grams of water at 100 °C
5 grams of water at 75 °C
5 grams of steam at 100 °C
5 grams of water at 0 °C
5 grams of ice at 0 °C
12.15
What is the quantity of energy required to boil
45.5 g of liquid water at 100 °C at sea level? The
molar heat of vaporization of water is 40.6 kJ/mol.
1.
2.
3.
4.
5.
Tro IC3
1.85 x 103 kJ
1.12
kJ
103
kJ
2.52
kJ
40.6
kJ
12.15
What is the quantity of energy required to boil
45.5 g of liquid water at 100 °C at sea level? The
molar heat of vaporization of water is 40.6 kJ/mol.
1.
2.
3.
4.
5.
Tro IC3
1.85 x 103 kJ
1.12
kJ
103
kJ
2.52
kJ
40.6
kJ
12.16
What is the energy required to melt 4.50 mol of ice
at 0 °C? The molar heat of fusion of water is 6.02
kJ/mol.
1.
2.
3.
4.
5.
Tro IC3
27.1 kJ
6.02 kJ
1.34 kJ
1.50 kJ
30.5 kJ
12.16
What is the energy required to melt 4.50 mol of ice
at 0 °C? The molar heat of fusion of water is 6.02
kJ/mol.
1.
2.
3.
4.
5.
Tro IC3
27.1 kJ
6.02 kJ
1.34 kJ
1.50 kJ
30.5 kJ
12.17
Which statement is most likely true concerning an
ice/water mixture kept at 0 °C?
1.
2.
3.
4.
5.
Tro IC3
The rate of freezing is faster.
The rate of melting is faster.
The ice will always melt.
The water will always freeze.
The rates of freezing and melting are equal.
12.17
Which statement is most likely true concerning an
ice/water mixture kept at 0° C?
1.
2.
3.
4.
5.
Tro IC3
The rate of freezing is faster.
The rate of melting is faster.
The ice will always melt.
The water will always freeze.
The rates of freezing and melting are equal.
12.18
Which type of intermolecular force is the strongest?
1.
2.
3.
4.
5.
Tro IC3
Covalent
Dipole–dipole
Hydrogen bonding
Ionic
Dispersion
12.18
Which type of intermolecular force is the strongest?
1.
2.
3.
4.
5.
Tro IC3
Covalent
Dipole–dipole
Hydrogen bonding
Ionic
Dispersion
12.19
1.
2.
3.
4.
5.
Tro IC3
Which intermolecular force allows water to bead on
a surface?
Ionic
Dipole–dipole
Hydrogen bonding
Dispersion
Covalent
12.19
1.
2.
3.
4.
5.
Tro IC3
Which intermolecular force allows water to bead on
a surface?
Ionic
Dipole–dipole
Hydrogen bonding
Dispersion
Covalent
12.20
Which of the following has the highest boiling
point?
1.
2.
3.
4.
5.
Tro IC3
CH3CH2CH3
CH3CH2NH2
CH3OCH3
CH4
CH3CH2OH
12.20
Which of the following has the highest boiling
point?
1.
2.
3.
4.
5.
Tro IC3
CH3CH2CH3
CH3CH2NH2
CH3OCH3
CH4
CH3CH2OH
12.21
Which of the following has the least solubility in
water?
1.
2.
3.
4.
5.
Tro IC3
CH3CH2CH3
CH3CH2NH2
CH3OCH3
H2O
CH3CH2OH
12.21
Which of the following has the least solubility in
water?
1.
2.
3.
4.
5.
Tro IC3
CH3CH2CH3
CH3CH2NH2
CH3OCH3
H2O
CH3CH2OH
12.22
What type of intermolecular force causes today’s
Saran Wrap to stick to itself?
1.
2.
3.
4.
5.
Tro IC3
Dipole–dipole
Hydrogen bonding
Dispersion
Ionic
Covalent
12.22
What type of intermolecular force causes today’s
Saran Wrap to stick to itself?
1.
2.
3.
4.
5.
Tro IC3
Dipole–dipole
Hydrogen bonding
Dispersion
Ionic
Covalent
12.23
Arrange the following in order of increasing melting
point (lowest first): CO2, Si, H2O, and NaCl.
1.
2.
3.
4.
5.
Tro IC3
NaCl, Si, CO2, H2O
Si, NaCl, H2O, CO2
H2O, CO2, NaCl, Si
CO2, H2O, NaCl, Si
CO2, H2O, Si, NaCl
12.23
Arrange the following in order of increasing melting
point (lowest first): CO2, Si, H2O, and NaCl.
1.
2.
3.
4.
5.
Tro IC3
NaCl, Si, CO2, H2O
Si, NaCl, H2O, CO2
H2O, CO2, NaCl, Si
CO2, H2O, NaCl, Si
CO2, H2O, Si, NaCl
12.24
What type of crystalline solid is formed by
potassium iodide?
1.
2.
3.
4.
5.
Tro IC3
Molecular
Ionic
Atomic
Amorphous
None of the above
12.24
What type of crystalline solid is formed by
potassium iodide?
1.
2.
3.
4.
5.
Tro IC3
Molecular
Ionic
Atomic
Amorphous
None of the above
12.25
1.
2.
3.
4.
5.
Tro IC3
Which of the following is an example of an atomic
solid?
C6H12O6
HCl
S8
NaCl
None of the above
12.25
1.
2.
3.
4.
5.
Tro IC3
Which of the following is an example of an atomic
solid?
C6H12O6
HCl
S8
NaCl
None of the above