Recitation-10

Recitation-10 - o C. cis-stilbene trans-stilbene Initially,...

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Chemistry 111 Chemistry 111 Recitation # 10 – Solving Equilibrium Problems November 22, 2005 Case 1 : Consider the following equilibrium with K C = 1.00 x 10 -6 at 300 K. 2 A (g) + B (g) C (g) In a 1.00 L flask, mix 2.00 moles of A and 3.00 moles of B. What is the equilibrium [C]? Case 2 : Consider the following equilibrium with K C = 5.00 x 10 9 at 300 K. 2 A (g) + B (g) C (g) In a 1.00 L flask, mix 2.00 moles of A and 3.00 moles of B. What is the equilibrium [C]? Case 3 : Consider the following equilibrium with K P = 2.50 at 300 K. A (g) + B (g) C (g) Start with P A = 0.400 atm, P B = 0.600 atm and P C = 1.00 atm. What will the partial pressures of A, B and C be at equilibrium? ************************************************************************* Example : Consider the following isomerization reaction with K C = 24.00 at 200
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Unformatted text preview: o C. cis-stilbene trans-stilbene Initially, we have 0.850 M stilbene and 0.000 M trans-stilbene. What are [ stilbene] and [ stilbene] at equilibrium? Example : Consider the following equilibrium with K C = 4.00 at 800 K. H 2 (g) + Cl 2 (g) 2 HCl (g) Mix 6.00 moles each of H 2 and Cl 2 in a 2.00 L vessel. What will the concentrations of all species be at equilibrium? Example : Consider the following equilibrium with K C = 5.25 x 10 10 at 25 o C. A (g) + 2B (g) 3 C (g) In a 2.00 L flask, place 0.400 moles of A and 0.200 moles of B. What is [B] at equilibrium? Example : Consider the following equilibrium with K C = 5.25 x 10-10 at 25 o C. A (g) + 2B (g) 3 C (g) In a 2.00 L flask, place 0.400 moles of A and 0.200 moles of B. What is [B] at equilibrium?...
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