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  1. THIS IS JEOPARDY

  2. Your With Host... Ms. Neely

  3. Determine The solubility What’s the molarity Equilibrium Basics Le Chatelier True or false Determine The Keq 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

  4. When Keq > 1000 A 100

  5. What is favors products? A 100

  6. When equilibrium is reached these are equal A 200

  7. What is rate of forward and reverse reaction? A 200

  8. Of the following the one where equilibrium lies farthest to the right a. Keq= .491 b. Keq= 1.0 x10-5 c. Keq= 1.0 x105 A 300

  9. What is c? Keq= 1.0 x105 A 300

  10. The equilibrium expression for the following N2(g) + 3 H2(g) <------> 2 NH3(g) A 400

  11. What is Keq = [NH3]2 / [N2] [H2]3 A 400

  12. For the endothermic reaction N2 (g) + 2H2 (g) ⇔ N2H4 (g) of the following the one that will increase the yield of product? A.high temperature, low pressure B.low temperature, high pressure C.high temperature, high pressure D.low temperature, low pressure A 500

  13. What is C.? high temperature, high pressure A 500

  14. When the concentration of a reactant is decreased the shift is in this direction B 100

  15. What is to the left? B 100

  16. Decreasing the temperature of an exothermic reaction will shift the reaction in this direction B 200

  17. What is to the right? B 200

  18. Consider the reaction FeCl3 + KSCN ⇔ K3[Fe(SCN)6] + 3KCl yellow colorless red colorless Adding more KSCN to the reaction will do this to the color B 300

  19. What is become redder? B 300

  20. Consider the reaction FeCl3 + KSCN ⇔ K3[Fe(SCN)6] + 3KCl yellow colorless red colorless Adding Fe 3+ion to the reaction will do this to the color B 400

  21. What is become redder? B 400

  22. When the volume of the container of the following reaction is decreased it increases the concentration of all substances. The substances (all gases) that increase the most when the new equilibrium is reached 4HCl + O2 ⇔ 2Cl2 + 2 H2O B 500

  23. What are Cl2 and 2H2O? B 500

  24. The molarity of OH- in a .020M solution of Ca(OH)2 C 100

  25. What is .040M? C 100

  26. The molarity of H2 given that Keq = 50 [I2]= .20 M, [HI]= .10M H2+I2 ⇔ 2HI (all are gases) C 200

  27. What is 0.001 M? C 200

  28. The molarity of I2 given that Keq = 50 [H2]= .20 M, [HI]= .20M H2+I2 ⇔ 2HI (all are gases) C 300

  29. What is .0040 M? C 300

  30. DAILY DOUBLE DAILY DOUBLE Place A Wager C 400

  31. The molarity of the sulfide ion in a saturated solution of CoS Ksp = 4.0 x 10 -21 C 400

  32. What is 6.3 x 10 -11 M? C 400

  33. The molarity of flouride in a saturated solution of calcium fluoride Ksp= 4.0x10-11 C 500

  34. What is 4.3 x10-4 M? C 500

  35. The statement that is true All reactions reach equilibrium b. Reactants or products can be favored at equilibrium c. At equilibrium Keq = 1 D 100

  36. What is b?. Reactants or products can be favored at equilibrium D 100

  37. The statement that is true Keq >10,000 favors reactants Keq> 10,000 lies far to the left Keq >10,000 basically goes to completion D 200

  38. What is c?Keq >10,000 basically goes to completion D 200

  39. The statement that is false For a given reaction at a given temp a.There is one value for Keq b. There can be more than one equilibrium position c. There is one concentration of products and reactants D 300

  40. What is c? There is one concentration of products and reactants D 300

  41. The statement that is false At equilibrium rates of forward and reverse reaction are equal Equilibrium can be reached only by starting with reactants Equilibrium concentrations differ depending on initial concentrations of reactants D 400

  42. What is b? Equilibrium can be reached only by starting with reactants D 400

  43. The statement(s) that is true about equilibrium Initially the forward reaction is faster than the reverse reaction The reaction proceeds until the concentration of reactants equals the concentration of products Gases are not included in the equilibrium expression D 500

  44. What is a? Initially the forward reaction is faster than the reverse reaction D 500

  45. AB At Equilibrium [A] = 4.0M [B] = 8.0 M E 100

  46. What is 2? E 100

  47. 2AB At Equilibrium [A] = 4.0M [B] = 8.0 M E 200

  48. What is .5? E 200

  49. AB +2C At Equilibrium [A] = 2.0M [B] = 8.0 M [C] = 1.0 M E 300