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24 Cards in this Set

  • Front
  • Back
Gas pressure
reault of simultance collision of gas with an object.
Temperature
aveage kinetic energy
Normal boiling point
boiling point of a liquid at a pressure
subimation
change of a substance from a solid of a gas of vapor without passing through the liquid state
amorphous solid
solid that lackan oldred internal sturutrance
triple point
the only condictions at witch all three pleasea
allotrope
two aor more diffirent moleculer forms of the same element in the same physical state
kinetic energy
energy of motion
barometers
an instrument used to meeasure used to measure atmapheric pressure
vacuum
empty space . a volume with no mass
diamond
give an example of an allotope
vaporization
any phase change from liquid to gas
glasses
give one example of an amorphous solid
evaporation
ossurs when the liquid turns to a gas on the surface of the liquid only
unit cell
is the smallest repealling in a crystall . it is the smallest group of crystall that retains the shape of the crystall
condensation
aphase change from gas to liquid
vapor pressure
the pressure caused by the vaporized particals of a liquid above the liquid in a sealed and measured at dynamic equilibrium
crystall
a soild with a regular repeating pattern
gas
a substance take the shape of its container but does not take the take the volume of the containar. the partical roll over each other. what phane is in?
liquid
a substance takes both the shape and the volume of the container. particals are very far apart and independent of each other. what phane is in?
what conditon does any liquid boil?
if vapor pressure and external pressure are same, liquid boils
list two diffirent ways that you can make a liquid boil?
a add energy to liquid (heat)
b change external pressure
state the 3 parts to the kineic theory of gases
A gas is composed of particles, usually molecule or atom
B the particle in a gas move rapidy in constant random motion
C all collisions are perfectly elastic.
convert
1atm=101.3kPa=760mmHg=760torr