In the 1600s an English scientist, Robert Boyle, found a relationship between pressure and volume of a gas.
Boyle's Law
P1V1=P2V2
Later Charles devised a law that described the relationship
between volume
and temperature.
Charles's Law
V1/T1=V2/T2
Joseph Louis Gay-Lussac discovered the relationship between
temperature and pressure in the early 1800's.
Gay-Lussac's Law
P1/T1 = P2/T2
Putting together Boyle's, Charles's, and Gay-Lussac's Laws yields
The Combined Gas Law
(P1V1)/T1=(P2V2)/T2
Avogadro's law states that at equal temperature and pressure any two gases with the
same number of moles will occupy the same volume.
The combined gas law and Avogadro's law combine to form the ideal gas law.
PV=nRT
Temperature for all gas law equations is in Kelvin. To convert Centigrade to Kelvin we add 273.
oC + 273= K