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17 Cards in this Set

  • Front
  • Back
gas particles are so small in relation to the distances between them that their individual volumes can be assumed to be
what does the large relative distances between the gas particles mean
that there is a considerable empty space between the particles
the assumption of gas particles being far apart explains the important property of
gas compressibility
the measure of how much the volume of matter decreases under pressure
gases are easily compressed because
of the space between the particles
because gases are comprssible, thy are used in
automobile airbags and other safety devices to absorb the enrgy of an impact
the energy of a collision is absorbed when
the gas particles are forced close together
gases can be used to absorb a considerable
amount of energy
what is the second property of gas particles assumed by the kinetic theory
no attractive or repulsive force exist between the particles
the fact that no attractive or repulsive force exist between the particles results in
gases being able to be free to move inside their containers
a gas expands until
it takes the shape and the volume of its container
what is the third assumption of gas particles assumed by the kinetic theory
gas particles move rapidly in constant motion
the particles travel in
straight paths and move independently of each other
only when a particle collides with another particle or object does it deviate from its
straight-line path
kinetic theory assumes further that these collisions between gas particles are perfectly elastic, which means
that during a collision the total amount of kinetic energy remains constant and that the kinetic energy is transferred without loss from one particle to another
the avrage kinetic energy of a collision of gas particles is directly proportional to
the Kelvin temperature of the gas
what are the four variables used to describe a gas
pressure (P) kilopascals
volume (V) liters
temperature (T) Kelvins
moles (n)