Summary GASES, GAS LAWS, AND KINETIC MOLECULAR THEORY
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Course
Science
Institution
Contains summary about Gases, Pure Gas, Ideal Gas, Real Gas, Properties of Gas, Variables that Describes Gas, Kinetic Molecular Theory, and Gas Laws (Boyle's Law, Charle's Law, Gay-Lussac's Law, Combined Gas Law, Avogadro's Law, Ideal Gas Law, and Dalton's Law).
GASES - While the average kinetic
energy of a collection of
Gas gases at a given temperature
- Gas is one of the three classical will be the same, the velocity
states of matter. at which they travel will not.
- As heat is added to this substance it - Temperature is usually
melts into a liquid at its melting point, measured in either Celsius
boils into a gas at its boiling point, (̊C) or Kelvin (K).
and if heated high enough would
enter a plasma state in which the ● VOLUME (V)
electrons are so energized that they - The space occupied by the
leave their parent atoms from within gas.
the gas. - A derived unit. Gas volumes
are expressed in different
Pure Gas ways: ml, L, cm3 , m3
- may be made up of individual atoms,
elemental molecules made from one ● PRESSURE (P)
type of atom, or compound - Gas molecules are extremely
molecules made from a variety of small and move rapidly.
atoms. When they hit the walls of a
container, they exert
Properties of Gas pressure. If we heat the
- Gases have no definite shape and container, the molecules
volume move faster and smash into
- Gases diffuse readily, and any two the walls more often and with
gases will mix evenly when increased force, thus
combined. increasing the pressure.
- Gases can be compressed readily - The force that the gas
because of the large amount of particles exert over a unit
space between molecules. area.
- Gases have much lower densities - Pressure is a measure of the
than liquids or solids. total force exerted by the
moving particles of a gas as
Variables that Describe Gases they collide with the walls of
● TEMPERATURE (T) the container.
- The temperature of a gas - Atmospheric pressure is
determines the average measured in terms of: atm
kinetic energy of the Unit Abbreviation 1 atm
particles.
- Kinetic Energy – energy of
motion. As particles move
faster, they generate more ● NUMBER OF MOLES (Amount of
kinetic energy in the form of Gas) (n)
heat.
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