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Unformatted text preview:  1x • [C] eq = C o + 3x • K c = [C o + 3x] 3 /{[A o 2x] 2 [B o – 1x] 1 . • Problem permutations • 1) one non eqm concentration zero – changes by x • 2) value of x given like lab • 3) comes to eqm value find x, then other eqm concentrations . • Special Soluble cases • H 2 + I 2 = 2HI • K p = p HI 2 /p I2 p H2 K p = 4 p H2 = p I2 = 3atm p HI = 0 3x 2x . • K = 4 = (2x) 2 /(3x) 2 • 2 = 2x/(3x) • 62x = 2x • 4x = 6 • X = 3/2 = 1.5 • P HI = 3atm p H2 = p I2 = 31.5 = 1.5atm . • Small K K< 106 • A === B + C • K = [B][C]/A • A o = 2 B o = C o = 0 • [A] eq = 21x [B] eq =[C] eq = +1x • 2 x ≈ 2 if K small . • K = 3x108 = x 2 /3x ≈ x 2 /3 • X 2 = 9x108 • X = 3x104 • Note 3x = 3  .0003 ≈ 3...
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This note was uploaded on 02/26/2012 for the course CHEM 108 taught by Professor Dr.brennan during the Spring '09 term at Binghamton.
 Spring '09
 DR.BRENNAN
 Mole, Kinetics

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