Using ________, the components of mixtures can be separated from one another.
New cards
2
similar molecules
Intermolecular forces that bind ________ to one another, such as the hydrogen bonding in water, are called cohesive forces.
New cards
3
particles of a solid
The ________ can move directly into the gaseous state.
New cards
4
Gas phase particles
________ exert a pressure.
New cards
5
vapor pressure
Is the temperature at which its ________ equals the external pressure, acting on the liquid surface.
New cards
6
Fritz London
________, a German- American physicist, first proposed the origin of this attraction in 1930.
New cards
7
surface area
Is the energy required to increase the ________ of a liquid by a unit amount.
New cards
8
Spherical molecule smaller
________ surface area diminishes intermolecular contact and decreases dispersion force.
New cards
9
London
________ recognized that the motion of electrons in an atom or molecule can create an instantaneous, or momentary, dipole moment.
New cards
10
Hydrogen bonds
________ can be considered a special type of dipole- dipole attraction.
New cards
11
negative end
Cations are attracted to the ________ of a dipole, and anions are attracted to the positive end.
New cards
12
phase diagram
A(n) ________ is a graphic way to summarize the conditions under which equilibria exist between the different states of matter.
New cards
13
Point T
________, where the three curves intersect, is the triple point, and here all three phases are in equilibrium.
New cards
14
critical temperature
When the temperature exceeds the ________ and the pressure exceeds the critical pressure, the liquid and gas phases are indistinguishable from each other, and the substance is in a state.
New cards
15
hydrogen bond
A(n) ________ is an attraction between a hydrogen atom attached to a highly electronegative atom (usually F, O, or N) and a nearby small electronegative atom in another molecule or chemical group.
Studied by 1 person
