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17 Cards in this Set
- Front
- Back
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gas particles are so small in relation to the distances between them that their individual volumes can be assumed to be
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insignificant
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what does the large relative distances between the gas particles mean
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that there is a considerable empty space between the particles
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the assumption of gas particles being far apart explains the important property of
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gas compressibility
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the measure of how much the volume of matter decreases under pressure
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compressibility
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gases are easily compressed because
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of the space between the particles
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because gases are comprssible, thy are used in
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automobile airbags and other safety devices to absorb the enrgy of an impact
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the energy of a collision is absorbed when
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the gas particles are forced close together
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gases can be used to absorb a considerable
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amount of energy
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what is the second property of gas particles assumed by the kinetic theory
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no attractive or repulsive force exist between the particles
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the fact that no attractive or repulsive force exist between the particles results in
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gases being able to be free to move inside their containers
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a gas expands until
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it takes the shape and the volume of its container
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what is the third assumption of gas particles assumed by the kinetic theory
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gas particles move rapidly in constant motion
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the particles travel in
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straight paths and move independently of each other
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only when a particle collides with another particle or object does it deviate from its
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straight-line path
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kinetic theory assumes further that these collisions between gas particles are perfectly elastic, which means
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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
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the avrage kinetic energy of a collision of gas particles is directly proportional to
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the Kelvin temperature of the gas
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what are the four variables used to describe a gas
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pressure (P) kilopascals
volume (V) liters temperature (T) Kelvins moles (n) |
