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Kw or constant for water
1x10^{14}M^{2}

Sea level = 1 atm =?
 STP
 760 torr =
 760 mmHg =
 101.325 Kpa =
 14.696 psi

Kelvin to Celcius
 0 C = 273 K
 0K = 273.15 C


Charles Law
volume  temp
V_{1}T_{2} = V_{2}T_{1}

Boyles Law
pressure  volume
P_{1}V_{1} = P_{2}V_{2}

Combined Gas Law
P_{1}V_{1}T_{2} = P_{2}V_{2}T_{1}

Ideal gas law
 PV = nRT
 P= pressure atm
 V= volume liters
 n= #moles
 R= gas constant = 0.0821(L.atm/mol.K)
 T= temp Kelvin


Molecular weight and density equation
 D=(MP)/(RT)
 note : D=m/v
 M= molar mass g/mol
 D= density = mass/volume
 R= gas constant = 0.0821
 T= temp K
 P= pressure atm


Grahams Law
 rate of gas a / rate of gas b =
 √(molar mass b / molar mass a)

avagadros number
6.02x10^{23}

moles to liters
1 mole = 22.4 L

