Equil_Kinetics_Cheat_Sheet_2008

Equil_Kinetics_Cheat_Sheet_2008 - Miscellaneous: xZ (moles...

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Miscellaneous: Z x (moles Z)/(moles total) = = mole fraction of Z x z = p z /P (ideal gases) x z n z / n solvent (dilute solutions) [ ] Z mol/L of Z = = molarity, molar concentration of Z 3 Z molar units of Z (J/mol, m /mol, J/mol K, etc.) = g Standard conditions ( o ): 1 atm pressure, temp. of interest, usually 25 ° C Standard biochemical conditions: 1 atm, 25 ° C, pH 7, [Mg ++ ] = 1mmol/L, all other solutes = 1 mol/L Acid-Base: HA H + + A K' eq = H + [ ] A [ ] HA [ ] = K a pH = -log[H + ] pK = -log(K) [ ] a A pH pK log (Henderson Hasselbach) HA - x x x x x x x x = + - x x x x [ ] [ ] [ ] initial final initial HA HA % dissociation HA - = Mixing Ideal Gases: ( 29 ( 29 mix u A B A A B B mix u A B A A B B G R T(n n ) x ln x x ln x S R (n n ) x ln x x ln x D = + + D = - + +
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ColligativeProperties: ( 29 ( 29 A A A,pure B B B 2 u pure B pure u B pure solution pure p x p (Raoult 's Law : vapor pressure of pure solvent vs. solution) p x H (Henry's Law: dissolving gases) R T T x B.P. , F.P. ,dilute solutions H R 1 1 ln 1 x T T H = = x x D x x x x x x x D x x - = - - D ( ) 2 2 2 B u H O H O 3 H O B.P. , F.P. ,concentrated solutions n R T (osmotic pressure) V N height g 9800 g m x x P = P = r x r Chemical phase equilibrium, pure substances Clapeyron equation: pressure vs. temperature along a phase/phase saturation curve for a pure substance: dp dT sat = D s 12 D v 12 = D h 12 T ( v 2 - v 1 ) for any two phases in equilibrium (gas/liq, liq/sol, gas/sol) Clausius-Clapeyron: vapor pressure vs. temperature along saturation line specifically when one phase is dilute gas: works for sublimation (with ∆h sg ) or vaporization (here).
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This note was uploaded on 04/29/2008 for the course BEE 2220 taught by Professor Hunter,j.b. during the Spring '08 term at Cornell University (Engineering School).

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Equil_Kinetics_Cheat_Sheet_2008 - Miscellaneous: xZ (moles...

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