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Absolute zero
is considered the lowest possible temperature that can be attained, it is the temperature which all molecular motion stops (-273.15 K degrees celsius or 0 K)
Law of combining volumes
when measured at the same temperature and pressure, volumes of gaseous reactants and products of chemical reactions are always in simple whole number ratios, becomes Avogadro’s theory
Combined Gas Law
result of combining Boyle’s Law and Charles’ Law, states the relationship among the temperature, volume, and pressure for a fixed amount of gas
Charles’ law
the volume of a gas varies directly with its temperature
Boyle’s law
the relationship in which the volume of a gas is inversely related with the pressure of the gas
Ideal gas law
assumes that particles have no volume and are not attracted to each other, follows all gas laws perfectly under all conditions, does not condense when cooled (hypothetical, does not really exist)
Real gas
does not follow gas laws exactly, it deviates at low temperatures and high pressures
Standard temperature and pressure (STP)
0 degrees celsius and 101.325 kPa
Standard ambient temperature and pressure (SATP)
25 degrees celsius and 100 kPa
Pressure
defined as force per unit area; measured in kilopascals (kPa) or atmospheres (atm)