Studied by 86 people
kinetic theory
all particles of matter are constantly in motion
elastic
collisons between gas particles are ____ , meaning that no kinetic energy is lost during transfer.
evaporation
the change of state from a liquid to a gas below a substances boiling point
no definite
gases have are assumed to have ___ volume because the particles are very tiny and far away from each other
no
gas particles have ___ attractive forces between them unlike solids and liquids.
random walk
the movement of gas particles is described as ____, meaning that the particles move in a straight line, collide and change directions.
motion
kinetic energy is the energy of ____.
gas
Particles in which state usually have the highest kinetic energy?
collisons
What is gas pressure caused by?
zero
in a vacuum, the gas pressure would be ___.
lower
at higher altitudes, the atmospheric pressure is ____.
760
What is the standard pressure for mmHg?
barometer
What device is used to measure atmospheric pressure?
no
Gas particles are said to have ____ volume and shape.
423 K
150 degrees C is equal to
The ability to flow
___ is due to liquid particles sliding past each other.
imcompressible
liquids are ____ meaning that an increase in pressure will not significantly affect their volume.
decrease
as the temperature of a liquid decreases, the rate of evaporation of that liquid will _____.
highest kinetic energy
evaporation is a cooling process because the particles with the ___ are removed from the substance.
equlibrium
when the rate of evaporation equals the rate of condensation in a closed container
absolute zero
a temperature when all motion stops
-273 K
absolute zero is equal to
no, definite
a liquid has ___ shape and _ volume
normal boiling point
the temperature at which the vapor pressure of the liquid is equal to standard pressure
freezing point
the temperature at which liquid changed to a soild
sublimation
a change in state from solid directly to gas
ionic
solids that tend to have much higher melting points because of the strong attraction between particles
phase diagram
gives information of the state of a substance its temperature and particle
definite
solids have ____ shape and volume
triple point
the one temperature/pressure combination in which all 3 states of a substance are in equilibrium with each other.
Note 
Flashcard (50)