Chem_215_Lecture_6_Color

Chem_215_Lecture_6_Color - Chapter 6 Equilibrium Phase...

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1 Chapter 6: Equilibrium Phase Equilibria : H 2 O (l) H 2 O (g) P H2O = 24 Torr = 0.0316 atm at 25 o C P H2O =150 Torr = 0.197 atm at 60 o C P H2O =760 Torr = 1.00 atm at 100 o C Solvation : AgCl (s) Ag + (aq) + Cl - (aq) Sat’d solution: 1.82 mg/liter @25 o C Chemical Reaction : NO 2 (g) + NO 2 (g) N 2 O 4 (g) Δ H = - 57.2 kJ/mol K P = P H2O K = [Ag + ][Cl - ] = 1.6 x 10 -10 [ ] [ ][ ] [ ] [ ] 2 2 4 2 2 2 4 2 NO O N NO NO O N K = = ( ) 2 NO O N NO NO O N P 2 4 2 2 2 4 2 P P P P P K = = OR K P = 0.0316 K P = 0.197 K p = 1.00
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