| Gas Law |
Relationship |
Mathematical
Formula
(if any) |
| Boyle's
Law |
At a constant
temperature, the volume of a gas in a closed system varies inversely
with the pressure. When the volume goes up, the pressure goes down
and vice versa |
PV = constant
P1V1 = P2V2
V2=V1P1/P2
|
| Charles'
Law |
At a constant
pressure, the volume varies directly with the Kelvin temperature. |
V/T = constant
V1/T1 = V2/T2
V2=V1T2/T1 |
| Gay-Lussac's
Law |
At a constant volume,
the pressure varies directly with the Kelvin temperature. |
P/T = constant
P1/T1 = P2/T2
P2=P1T2/T1 |
| Combined
Gas Law |
This a relationship
combines the above gas laws. It holds for gases in a closed system
with temperature expressed in Kelvin. |
PV/T = constant
P1V1/T1 = P2V2/T2
V2=V1(P1/P2)(T2/T1) |
| Avogadro's
Principle |
At the same
temperature and pressure, an equal volume of any gas contains the same
number of particles. |
At STP, one mole of
any gas occupies 22.4 liters. |
| Ideal
Gas Law |
A mathematical
relationship that relates pressure, volume, temperature, and the number
of moles for ideal gases. |
PV=nRT
where n= number of moles
R= Universal Gas Constant
R= 62.4 mm*L/(mole* K)
R= 8.314 L*kPa/(mole*K)
R= 0.0821L*atm/(mole*K)
|
| Dalton's
Law of Partial Pressures |
The total pressure of
a mixture of gases is equal to the sum of the individual gases partial
pressures. |
Ptotal = P1
+ P2 + P3 + P4 + P5 +.... |
