Logo

Go on. Explore!

lvl 0 • 0 xp

lvl 1

HomeMarketDecksInterests
AP Chemistry Intermolecular forces

AP Chemistry Intermolecular forces

memorize.aimemorize.ai (lvl 286)
Star 0%
Star 0%
Star 0%
Star 0%
Star 0%
(0)
(0)
(0)
42 cards
()
Section 1

Preview this deck

Critical Pressure

Front

1 / 42

ChemistryScience
Star 0%
Star 0%
Star 0%
Star 0%
Star 0%

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Active users

0

All-time users

0

Favorites

0

Last updated

6 years ago

Date created

Mar 1, 2020

Cards (42)

Section 1

(42 cards)

Critical Pressure

Front

The pressure requires to liquefy a gas at its critical temperature

Back

E

Front

A volatile liquid is one that __________. a. is highly flammable b. is highly viscous c. is highly hydrogen-bonded d. is highly cohesive e. readily evaporates

Back

Ionic Bonding

Front

The predominant intermolecular force in CaBr2 is __________. a. London-dispersion forces b. ion-dipole forces c. ionic bonding d. dipole-dipole forces e. hydrogen bonding

Back

Dipole-dipole attractions

Front

Hydrogen bonding is a special case of __________. a. London-dispersion forces b. ion-dipole attraction c. dipole-dipole attractions d. ion-ion interactions e. none of the above

Back

CH4

Front

Of the following substances, only __________ has London dispersion forces as its only intermolecular force.CH3OH b. NH3 H2S CH4 HCl

Back

supercritical

Front

Which of the following is not a type of solid? ionic molecular supercritical metallic covalent-network

Back

The condensed

Front

Together, liquids and solids constitute ________ phases of matter

Back

SiH4

Front

Which one of the following should have the lowest boiling point? .PH3 H2S HCl SiH4 H2O

Back

Viscosity

Front

The resistance to flow

Back

London dispersion forces

Front

What is the predominant intermolecular force in CBr4? a. London-dispersion forces b. ion-dipole attraction c. ionic bonding d. dipole-dipole attraction e. hydrogen-bonding

Back

freezing

Front

Of the following, __________ is an exothermic process. a. melting b. subliming c. freezing d. boiling e. All of the above are exothermic.

Back

freezing point

Front

On a phase diagram, the melting point is the same as the __________

Back

False

Front

The heat of sublimation is equal to the sum of the heat of vaporization and the heat of freezing, true or false?

Back

B

Front

Crystalline solids differ from amorphous solids in that crystalline solids have_____ a. appreciable intermolecular attractive forces b. a long range repeating pattern of atoms, molecules, or ions

Back

Critical Temperature

Front

The temperature above which a gas cannot be liquified

Back

Surface tension

Front

__________ is the energy required to expand the surface area of a liquid by a unit amount of area. a. Viscosity b. Surface tension c. Volatility d. Meniscus e. Capillary action

Back

E

Front

__________ are particularly polarizable. a. Small nonpolar molecules b. Small polar molecules c. Large nonpolar molecules d. Large polar molecules e. Large molecules, regardless of their polarity,

Back

CH3OH

Front

In which of the following molecules is hydrogen bonding likely to be the most significant component of the total intermolecular forces? CH4 C5H11OH C6H13NH2 CH3OH CO2

Back

E

Front

Which statement is true about liquids but not true about solids? a. They flow and are highly ordered. b. They are highly ordered and not compressible. c. They flow and are compressible. d. They assume both the volume and the shape of their containers. e. They flow and are not compressible.

Back

Dispersion forces

Front

. C12 H26 molecules are held together by __________. a. ion-ion interactions b. hydrogen bonding c. ion-dipole interactions d. dipole-dipole interactions e. dispersion forces

Back

B

Front

Heat of sublimation (s -> g) can be approximated by adding together __________ and __________. a. heat of fusion, heat of condensation b. heat of fusion, heat of vaporization c. heat of freezing (solidification), heat of condensation d. heat of freezing(solidification),heat of vaporization e. heat of deposition, heat of vaporization

Back

D

Front

In liquids, the attractive intermolecular forces are __________. a. very weak compared with kinetic energies of the molecules b. strong enough to hold molecules relatively close together c. strong enough to keep the molecules confined to vibrating about their fixed lattice points d. not strong enough to keep molecules from moving past each other e. strong enough to hold molecules relatively close together but not strong enough to keep molecules from moving past each other

Back

Polarizability

Front

The ease with which the charge distribution in a molecule can be distorted by an external electrical field is called the __________.

Back

Molecular

Front

__________ solids consist of atoms or molecules held together by dipole-dipole forces, London disperson forces, and/or hydrogen bonds. a. Ionic b. Molecular c. Metallic d. Covalent-network e. Metallic and covalent-network

Back

Br2

Front

Of the following, __________ has the highest boiling point. N2 Br2 H2 Cl2 O2

Back

more separated, less

Front

As a solid element melts, the atoms become _____ and they have _____ attraction for each other

Back

B

Front

Volatility and vapor pressure are __________. a. inversely proportional to one another b. directly proportional to one another c. not related d. the same thing e. both independent of temperature

Back

A

Front

When the phase diagram for a substance has a solid-liquid phase boundary line that has a negative slope (leans to the left), the substance __________. a. can go from solid to liquid, within a small temperature range, via the application of pressure b. sublimes rather than melts under ordinary conditions c. cannot go from solid to liquid by application of pressure at any temperature d. cannot be liquefied above its triple point e. melts rather than sublimes under ordinary conditions

Back

AsH3

Front

Which one of the following exhibits dipole-dipole attraction between molecules? a. XeF4 b. AsH3 c. CO2 d. BCl3 e. Cl2

Back

Kr

Front

Of the following substances, only __________ has London dispersion forces as its only intermolecular force. a. CH3OH b. NH3 c. H2S d. Kr e. HCl

Back

All

Front

Which statements about viscosity are true? (i) Viscosity increases as temperature decreases. (ii) Viscosity increases as molecular weight increases. (iii) Viscosity increases as intermolecular forces increase.

Back

Ion-Dipole

Front

When NaCl dissolves in water, aqueous Na+ and Cl- ions result. The force of attraction that exists between Na+ and H2O is called a(n) __________ interaction. a. dipole-dipole b. ion-ion c. hydrogen bonding d. ion-dipole e. London dispersion force

Back

E

Front

Large intermolecular forces in a substance are manifested by __________. a. low vapor pressure b. high boiling point c. high heats of fusion and vaporization d. critical temperatures and pressures e. all of the above

Back

H2

Front

Of the following, __________ should have the highest critical temperature. CBr4 CCl4 CF4 CH4 H2

Back

A

Front

Some things take longer to cook at high altitudes than at low altitudes because __________. a. water boils at a lower temperature at high altitude than at low altitude b. water boils at a higher temperature at high altitude than at low altitude c. heat isn't conducted as well in low density air d. natural gas flames don't burn as hot at high altitudes e. there is a higher moisture content in the air at high altitude

Back

solid, gas

Front

The strongest interparticpile attractions exist between particles of a _____and the weakest exists between particles of a _____

Back

Hydrogen bonding

Front

The predominant intermolecular force in (CH3)2NH is __________. a. London dispersion forces b. ion-dipole forces c. ionic bonding d. dipole-dipole forces e. hydrogen bonding

Back

b

Front

Crystalline solids __________. a. have their particles arranged randomly b. have highly ordered structures c. are usually very soft d. exist only at high temperatures e. exist only at very low temperatures

Back

C2I6

Front

Which one of the following derivatives of ethane has the highest boiling point? a. C2Br6 b. C2F6 c. C2I6 d. C2Cl6 e. C2H6

Back

London dispersion forces

Front

Elemental iodine (I2) is a solid at room temperature. What is the major attractive force that exists among different I2 molecules in the solid? a. London dispersion forces b. dipole-dipole rejections c. ionic-dipole interactions d. covalent-ionic interactions e. dipole-dipole attractions

Back

CH4

Front

Of the following, __________ is the most volatile. CBr4 CCl4 CF4 CH4 C6H14

Back

H2O

Front

Of the following substances, __________ has the highest boiling point. H2O CO2 CH4 Kr NH3

Back