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kinetic energy

energy due to motion

kinetic-molecular theory

describes the behavior of gases in terms of particles in motion

gas pressure

force applied per unit area due to the collision of gas particles

vacuum

a container in which all matter is removed

atmospheric pressure

the pressure exerted by the weight of the atmosphere; 101,325 pascals

barometer

an instrument used to measure atmospheric pressure

atmosphere

a unit used to measure air pressure; equal to 760 torr

Boyle's Law

states that the volume of a fixed amount of gas held at a constant temperature varies inversely with its pressure

Charle's Law

states that the volume of a given mass of gas is directly proportional to its Kelvin temperature at constant pressure

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