Gen Chem Chapter 8: Phases and Phase Changes

miscibility:
degree to which two liquids can mix
immiscible:
molecules end to repel each other due to polarity difference
solids have ____ motion
vibrational
crystalline solid:
ordered structure of repeating patterns
amorphous solid:
no ordered 3D arrangement
ionic solid characteristics:
____ MP
____ BP
____ conduct electricity
high, high, can not
ionic solid:
aggregates of positively and negatively charged ions
metallic solids:
metal atoms packed together as closely as possible
characteristics of metallic solids:
___ MP
___ BP
high, high, because of strong covalent attractions
in an isolated system phase changes are
reversible and an equilibrium exists between phases
evaporation:
liquid to gas
condensation:
gas to liquid
fusion:
melting: solid to liquid
crystallization:
solidification, freezing,: liquid to solid
amorphous solids tend to
melt over a large range of temperatures
sublimation:
solid to gas
deposition:
gas to solid
triple point:
all three phases are in equilibrium
critical point:
no distinction between liquid and gas is possible
colligative properties are derived solely from
the number of particles present not the nature of those particles
freezing point…
depression
boiling point
elevation
osmotic pressure
increases
vapor pressure…
lowering
FP BP OP VP
IDID
basic structural unit of a crystalline substance:
unit cell
x

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