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Chemical Equilibrium Chapter 18 Review

Chemical Equilibrium Chapter 18 Review. JEOPARDY. Keeping Your Balance. Express Yourself. Under Stress. Stressed Out. Soluble. Equilibrium Mixture. Final Jeopardy! #1 #2 Chance of Precipitation. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300.

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Chemical Equilibrium Chapter 18 Review

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  1. Chemical EquilibriumChapter 18 Review JEOPARDY

  2. Keeping Your Balance Express Yourself Under Stress Stressed Out Soluble Equilibrium Mixture Final Jeopardy! #1 #2 Chance of Precipitation 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

  3. Keeping Your Balance100 The statement that, at a given temperature, a chemical system may reach a state in which a particular ratio of reactant and product concentrations has a constant value. A: What is the Law of Chemical Equilibrium? S2C06 Jeopardy Review

  4. Keeping Your Balance200 The name of Keq. A: What is the equibrium constant? S2C06 Jeopardy Review

  5. Keeping Your Balance300 Norwegian chemists who proposed the Law of Chemical Equilibrium in 1864. A: Who are Cato Guldberg and Peter Waage? S2C06 Jeopardy Review

  6. Keeping Your Balance400 The value of Keq in equilibria at which the concentration of the products is greater than the concentrations of the reactants. A: What is > 1? S2C06 Jeopardy Review

  7. Keeping Your Balance500 The equilibrium constant expression for the following equilibrium: 1N2 (g) + 3H2(g) 2NH3(g) A: What is Keq = [NH3]2/[N2]1[H2]3? S2C06 Jeopardy Review

  8. Express Yourself100 The type of equilibrium the following is: 1CaCO3 (s) 1CaO (s) + 1CO2 (g) A: What is heterogeneous? S2C06 Jeopardy Review

  9. Express Yourself200 The type of equilibrium the following is: 2S (s) + 5F2 (g) 1SF4 (g) + 1SF6 (g) A: What is heterogeneous? S2C06 Jeopardy Review

  10. Express Yourself300 The equilibrium constant expression for the following equilibrium: 1Fe3O4 (s) + 4H2 (g) 3Fe (s) + 4H2O (g) A: What isKeq= [H2O]4/[H2]4? S2C06 Jeopardy Review

  11. DAILYDOUBLE!

  12. 2N2H4 (g) + 2NO2 (g) 3N2 (g) + 4H2O (g) Express Yourself400 The equilibrium constant expression for the following equilibrium: A: What is Keq= [N2]3[H2O]4/[N2H4]2[NO2]2? S2C06 Jeopardy Review

  13. 2SO3 (g) 2SO2 (g) + 1O2 (g) Express Yourself500 The value of Keq for the following equilibrium, when the [SO3] = 1 M, the [SO2] = 2 M, and the [O2] = 1 M. A: What is 4? S2C06 Jeopardy Review

  14. DAILYDOUBLE!

  15. 1CO(g) + 3H2 (g) 1CH4(g) + 1H2O (g) Under Stress100 For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in concentration of Carbon monoxide. A: What is right? S2C06 Jeopardy Review

  16. 1CO(g) + 3H2 (g) 1CH4(g) + 1H2O (g) Under Stress200 For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to the addition of a dessicant which decreases the concentration of water. A: What is right? S2C06 Jeopardy Review

  17. 1CO(g) + 3H2 (g) 1CH4(g) + 1H2O (g) Under Stress300 For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in temperature. A: What is left? S2C06 Jeopardy Review

  18. 1CO(g) + 3H2 (g) 1CH4(g) + 1H2O (g) Under Stress400 For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in pressure. A: What is right? S2C06 Jeopardy Review

  19. 1CO(g) + 3H2 (g) 1CH4(g) + 1H2O (g) Under Stress500 For the following equilibrium, for which the ΔH0 of the forward reaction is -206.5 kJ, the direction the equilibrium shifts in response to an increase in volume. A: What is left? S2C06 Jeopardy Review

  20. Stressed Out100 For the following equilibrium, which has an endothermic forward reaction, the direction the equilibrium shifts in response to an increase in concentration of water. + + 6H2O (l) 1Co(H2O)62+ (aq) 4Cl- (aq) 1CoCl42-(aq) Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue) A: What is left? S2C06 Jeopardy Review

  21. Stressed Out200 For the following equilibrium, which has an endothermic forward reaction, the color the purple solution changes to with the addition of concentrated HCl. + + 6H2O (l) 1Co(H2O)62+ (aq) 4Cl- (aq) 1CoCl42-(aq) Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue) A: What is blue? S2C06 Jeopardy Review

  22. Stressed Out300 For the following equilibrium, which has an endothermic forward reaction, the color the purple solution should change to with the addition of a dessicant which lowers the concentration of water. + + 6H2O (l) 1Co(H2O)62+ (aq) 4Cl- (aq) 1CoCl42-(aq) Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue) A: What is blue? S2C06 Jeopardy Review

  23. DAILYDOUBLE!

  24. Stressed Out400 For the following equilibrium, which has an endothermic forward reaction, the direction the equilibrium shifts in response to an increase in temperature. + + 6H2O (l) 1Co(H2O)62+ (aq) 4Cl- (aq) 1CoCl42-(aq) Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue) A: What is right? S2C06 Jeopardy Review

  25. Stressed Out500 For the following equilibrium, which has an endothermic forward reaction, the color the purple solution changes to in response to decreased temperature. + + 6H2O (l) 1Co(H2O)62+ (aq) 4Cl- (aq) 1CoCl42-(aq) Hexahydrate Co2+ ion (pink) chloride ion Tetrachlorocobaltate ion (blue) A: What is pink? S2C06 Jeopardy Review

  26. Soluble100 Of Barium carbonate, Copper(II) carbonate, or Zinc carbonate, the most soluble at 298 K. A: What is Barium carbonate? S2C06 Jeopardy Review

  27. Soluble200 Of Calcium fluoride, Lead(II) fluoride, or Lead(II) iodide, the least soluble in water at 298 K. A: What is Calcium fluoride? S2C06 Jeopardy Review

  28. Soluble300 The solubility of Barium chromate in water at 298 K. A: What is 1.1 x 10-5M? S2C06 Jeopardy Review

  29. Soluble400 The [Fe2+] in a saturated solution of Iron(II) hydroxide at equilibrium. A: What is 2.3 x 10-6M? S2C06 Jeopardy Review

  30. Soluble500 The [OH-] in a saturated solution of Iron(III) hydroxide at equilibrium. A: What is 3.0 x 10-10M? S2C06 Jeopardy Review

  31. Equilibrium Mixture100 For the reaction described by the graph below, the product of the forward reaction. A: What is NH3? S2C06 Jeopardy Review

  32. DAILYDOUBLE!

  33. Equilibrium Mixture200 The name of the precipitate that will form if 100 mL of 0.100 M MgCl2 solution is mixed with 100 mL of 0.100 M Na2CO3 solution. A: What is Magnesium carbonate? S2C06 Jeopardy Review

  34. Equilibrium Mixture300 French chemist who proposed that if a stress is applied to a system at equilibrium, the system will shift in the direction that relieves the stress. A: Who is Henry-Louis Le Châtelier? S2C06 Jeopardy Review

  35. Equilibrium Mixture400 The name of Ksp. A: What is the solubility product constant? S2C06 Jeopardy Review

  36. Equilibrium Mixture500 What the value of Qsp is when a precipitate forms. A: What is greater than the Ksp value? S2C06 Jeopardy Review

  37. Final JeopardyChance of Precipitation Whether or not a precipitate will form if 100 mL of 0.010 M AgNO3 is added to 100 mL of 0.010 M NaCl: A: What is yes (Qsp = 2.5 x 10-5)?

  38. Final JeopardyChance of Precipitation Whether or not a precipitate will form if 100 mL of 0.010 M Ca(NO3)2 is added to 100 mL of 0.010 M NaOH: A: What is no (Qsp = 1.2 x 10-7)?

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