equations Flashcards
(26 cards)
Avogadro’s number
6.02 * 10^23
Molality
moles/ kg
Molarity
moles/ L
Freezing point
deltat= -iKfm
Raoults law
Psol = xSolv * PSolpressure
osmotic pressure
Π=ⅈMRT
gas constant
0.08206l/kmol
Boyle’s law
p1v1 = p2v2
Charles law
v1/t1 = v2/t2
gay lussac law
p1/t1 = p2/t2
combined gas law
pv/t = k
ideal gas law
PV = nRT
density of gas
mm *p/rt
stp
273 kel, 1 atm
Graham law
speed a / speed b = square root of (mass b / mass a)
real gas equation
(p + an/v^2)(V-nb) = nRT
titration
MsVs = MtVT
Enthalpy
h = e + pv
thermal energy
q = mCpdeltaT
wave length
lambda = c/f
planck’s constant
6.63 x 10^-34 joule seconds
effective nuclear charge
Z effective = z-s
formal charge
Fc = valence electrons – nonbonding electrons – bonding electrons/2
bragg equation
• Nlambda = 2d sin 0