Zumdahl_chapt_13

Zumdahl_chapt_13 - Chapter 13 Chemical Equilibrium 13.1...

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Unformatted text preview: Chapter 13 Chemical Equilibrium 13.1 Equilibrium Condition 13.2 Equilibrium Constant 13.3 Equilibrium with Gases 13.4 Heterogeneous Equilibrium 13.5 Equilibrium Problems 13.6 Le Chateliers Principle Equilibrium All chemical reactions carried out in a closed container eventually reach equilibrium. Equilibrium All chemical reactions carried out in a closed container eventually reach equilibrium. Chapter 12 Equilibrium the kinetic derivation I 2 2I rate 1 = k 1 [I 2 ] 2I I 2 rate-1 = k-1 [I] 2 r 1 = r-1 k 1 [I 2 ] = k-1 [I] 2 ] I [ ] I [ ] I [ ] I [ 2 2 1 1 2 2 1 1 = = =--k k K k k eq Equilibrium the empirical derivation j A + k B l C + m D Cato Guldberg and Peter Waage Repeated observations of [A], [B], [C], [D] Varying amounts and starting conditions Equilibrium the empirical derivation j A + k B l C + m D 1864 the law of mass action k j m l eq K ] B [ ] A [ ] D [ ] C [ = Writing Equilibrium Expressions 2CO 2 (g) 2CO(g) + O 2 (g) Writing Equilibrium Expressions 2 2 2 2 ] CO [ ] O [ ] CO [ = eq K 2CO 2 (g) 2CO(g) + O 2 (g) Writing Equilibrium Expressions 3O 2 (g) 2O 3 (g) Writing Equilibrium Expressions 3 2 2 3 ] O [ ] O [ = eq K 3O 2 (g) 2O 3 (g) Writing Equilibrium Expressions H 2 O(g) + C(s) CO(g) + H 2 (g) Writing Equilibrium Expressions H 2 O(g) + C(s) CO(g) + H 2 (g) ] O H [ ] H ][ CO [ 2 2 = eq K Writing Equilibrium Expressions H 2 O(g) + C(s) CO(g) + H 2 (g) ] O H [ ] H ][ CO [ 2 2 = eq K Pure solids or pure liquids are not included in the equilibrium expresion! Writing Equilibrium Expressions 2ZnS(s) + 3O 2 (g) 2ZnO(s) + 2SO 2 (g) Writing Equilibrium Expressions 2ZnS(s) + 3O 2 (g) 2ZnO(s) + 2SO 2 (g) 3 2 2 2 ] O [ ] SO [ = eq K Writing Equilibrium Expressions 2ZnS(s) + 3O 2 (g) 2ZnO(s) + 2SO 2 (g) 3 2 2 2 ] O [ ] SO [ = eq K Pure solids or pure liquids are not included in the equilibrium expresion! Writing Equilibrium Expressions H 2 O(l) H 2 O(g) Writing Equilibrium Expressions H 2 O(l) H 2 O(g) ] O H [ 1 ] O H [ (g) 2 (g) 2 = = eq K Writing Equilibrium Expressions H 2 O(l) H 2 O(g) ] O H [ 1 ] O H [ (g) 2 (g) 2 = = eq K Pure solids or pure liquids are not included in the equilibrium expresion! Writing Equilibrium Expressions 3O 2 (g) + 4Fe(s) 2Fe 2 O 3 (s) Writing Equilibrium Expressions 3O 2 (g) + 4Fe(s) 2Fe 2 O 3 (s) 3 2 3 2 ] O [ ] O [ 1-= = eq K Writing Equilibrium Expressions 3O 2 (g) + 4Fe(s) 2Fe 2 O 3 (s) 3 2 3 2 ] O [ ] O [ 1-= = eq K Pure solids or pure liquids are not included in the equilibrium expresion! Manipulating Equilibrium Expressions 3O 2 (g) + 4Fe(s) 2Fe 2 O 3 (s) 3 2 3 2 1 ] O [ ] O [ 1-= = K K 1 = 3.21 x 10-6 What is the value of K eq for 2Fe 2 O 3 (s) 3O 2 (g) + 4Fe(s) ? Manipulating Equilibrium Expressions What is the value of K eq for 2Fe 2 O 3 (s) 3O 2 (g) + 4Fe(s) ?...
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Zumdahl_chapt_13 - Chapter 13 Chemical Equilibrium 13.1...

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