UsingEquilExpress - N 2(g) + 3 H 2(g) (at 1000 K) K eq =...

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Using Equilibrium Expressions In order to help you to write equilibrium expressions and to calculate their values, complete the problems below. First write the expression for the equilibrium constant for the given reaction, then use the given concentration data to calculate the value of the constant for the reaction and finally , state whether the reactants or products are favored. . Show all of your work! 1. Reaction: N 2 O 4 2 NO 2(g) (at 520º C) K eq = 0.37 Equilibrium concentrations: [N 2 O 4 ] = 0.014 M, [NO 2 ] = 0.072 M reactants 2. Reaction: N 2(g) + 3 H 2(g) 2 NH 3(g) (at 583º C) K eq = 0.16 Equilibrium concentrations: [N 2 ] = 0.2 M, [H 2 ] = 0.2 M, [NH 3 ] = 0.016 M reactants 3. Reaction: SO 2(g) + 1/2 O 2(g) SO 3(g) (at 500º C) K eq = 20 Equilibrium concentrations: [SO 2 ] = 0.02 M, [O 2 ] = 1.0 M, [SO 3 ] = 0.4 M products 4. Reaction: PCl 3(g) + Cl 2(g) PCl 5(g) (at room temperature) K eq = 0.133 Equilibrium concentrations: [PCl 3 ] = 1.0 M, [Cl 2 ] = 0.9 M, [PCl 5 ] = 0.12 M reactants 5. Reaction: 2 NH 3(g)
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Unformatted text preview: N 2(g) + 3 H 2(g) (at 1000 K) K eq = 420.9 Equilibrium concentrations: [NH 3 ] = 0.102 M, [N 2 ] = 1.03 M, [H 2 ] = 1.62 M products Using Equilibrium Expressions-2-6. Reaction: 2 H 2(g) + S 2(g) 2 H 2 S (g) (at 750K) K eq = 940000 Equilibrium concentrations: [H 2 ] = 0.076 M, [S 2( ] = 0.0000016 M, [H 2 S] = 0.093 M products 7. Reaction: 2 NO (g) + O 2(g) 2 NO 2(g) (at 500 K) K eq = 641415 Equilibrium concentrations: [NO] = 0.000349 M, [O 2 ] = 0.80 M, [NO 2 ] = 0.25 M products 8. Reaction: PCl 5(g) PCl 3(g) + Cl 2(g) (at 500 K) K eq = 0.022 Equilibrium concentrations: [PCl 5 ] =0.861M, [PCl 3 ] = 0.139 M, [Cl 2 ]=0.139 M reactants 9. Reaction: CO 2(g) + H 2(g) CO (g) + H 2 O (g) (at 900 C) K eq = 1.29 Equilibrium concentrations: [CO 2 ] = 0.648 M, [H 2 ] = 0.148 M, products [CO] = 0.352 M, [H 2 O] = 0.352 M...
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This note was uploaded on 01/09/2011 for the course SCIENCE 12084 taught by Professor Mrdavidbyrum during the Spring '10 term at Harrison College.

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UsingEquilExpress - N 2(g) + 3 H 2(g) (at 1000 K) K eq =...

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