4. MoleculesGas LawsLiquids Phase Changes Acids/ Bases $ 200 $ 200$200 $ 200 $ 200 $400 $ 400$400 $ 400$400 $600 $ 600$600 $ 600 $ 600 $ 600 $800 $ 800$800 $ 800 $ 800 $ 800 $ 1000$1000 $ 1000 $ 1000 $ 1000 $ 1000

5. Titrations Thermoche mistry RatesEquilibriumRedoxPotpouri $ 400 $ 400 $ 400 $ 400 $ 400 $ 400 $ 800 $ 800 $ 800 $ 800 $ 800 $ 800 $ 1200 $ 1200 $ 1200 $ 1200 $ 1200 $ 1200 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 1600 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000 $ 2000

6. Final Jeopardy Freezing Point Depression

7. Final Jeopardy 25g/58.5g/mol =.43 mol.43 mol/.250Kg = 1.7 m ∆T = 1.86 o C/m x 1.7m x (2) = -6.3 o C What is the freezing point of a solution made by dissolving 25 grams of NaCl in 250 mL of water?

8. $200 Kinetic Molecular Theory This theory discusses the movement of molecules in their various states

9. $400 Boyles Law The pressure and volume of a gas are inversely related

10. $600 The atmosphere What is the SI unit for pressure?

11. $800 The pressure will also increase Gay-Lussac would say as the temperature of a gas increases at constant volume

12. $1000 Combined Gas Law PV = PV T T

13. $200 Evaporation Process by which liquids change into a gas

14. $400 Sublimation Phase change from a solid directly to a liquid

15. $600 Gas In which state do the molecules have the greatest kinetic energy?

16. $800 Temperature remains constant What happens to temperature during a phase change

17. $1000 Triple Point Point at which all three states of matter can co-exist

18. $200 Sand Sand, alloys, soda, which is not homogeneous?

19. $400 Electrolyte A solution capable of conducting electricity

20. $600 Compounds that are similar chemically dissolve other compounds that are alike What does “likes dissolve likes” refer to?

21. $800 2 Molar 4 moles of a solute is dissolved in 2 Liters of solution, what is the Molarity

22. $1000 PbCl 2  Pb 2+ (aq) + 2 Cl - (aq) Write the equation for the dissolution of PbCl 2 (s) in water

23. $200 supersaturated A solution in which no more solute can be dissolved

24. $400 FP depression and BP elevation Name two colligative properties

25. $600 Change in temp., molal constant, molality Using the equation ΔT = kf x m Explain the symbols

26. $800 1 molal NaCl b/c it is an electrolyte and gives you two particles per mole Which would boil at a higher temperature and why? 1 molal glucose or 1 molal NaCl

27. $1000 5 M, (.5 moles/.100L) Math Question: What is the molarity of 20 grams of NaOH dissolved in 100 mL of water

28. $200 Base pH greater than 7

29. $400 Acid [H + ] > [OH - ]

30. $600 pH = - log [H + ] What does pH equal

31. $800 Sulfuric Acid What is the name of H 2 SO 4

32. $1000 1 x 10 -7 Math Question: If pH = 7, then what is the [OH - ]

33. $200 Arrhenius Definition Bases produce OH - in water solutions

34. $400 Whose definiton states that Acids are proton donors

35. $600 8.7 What is pOH if pH = 5.3

36. $800 pH = 10 [H + ] = 1 x 10 -10 What is the pH?

37. $1000 pH = 9 [H + ] = 1 x 10 -9 so pH = 9 If [OH - ] = 1 x 10 -5 What is the pH?

38. $400 Temperature Average kinetic energy of the molecules =

39. $800 Specific Heat Amount of heat required to raise 1 gram of a substance 1 o C

40. $1200 Is equal to heat lost by the material In calorimetry experiments the heat gained by water

41. $1600 J = 25g x 8 o C x 4.18 J/g o C How much heat is required to raise 25 grams of water from 22 o C to 30 o C? Specific Heat of water = 4.18 J/g o C

42. $2000 Products should be higher than reactants Come to the board and draw a reaction that is endothermic

43. $400 Low energy and high entropy In nature reactions tend to go towards what 2 directions?

44. $800 Randomness or disorder What does entropy mean?

45. $1200 Reaction mechanism A multistep process for a chemical reaction is called

46. $1600 Activation energy The energy hump a reaction needs to overcome is called

47. $2000 Temperature, surface area, catalyst, nature of reactants Name three (3) factors that affect reaction rate.

48. $400 Rate of the Forward reaction equals the rate of the reverse reaction Define chemical equilibrium

49. $800 K a = [ CH3COO-] [H3O + ] [CH 3 COOH] Write the equilibrium expression for the following; CH 3 COOH(aq) + H 2 O(l)  CH 3 COO - (aq) + H 3 O(aq)

50. $1200 A large K a value A strong acid will have what kind of value for it’s K a ?

51. $1600 Left N2(g) + 3 H2(g)  2 NH3(g) + 92 kJ If heat is added the reaction will shift?

52. $2000 Left, more gas N2(g) + 3 H2(g)  2 NH3(g) + 92 kJ If the volume is increased the reaction will shift

53. $400 Ionization Energy

54. $800 Molecules need to come in contact in order to react What is the collision Theory?

55. $1200 Activated complex The temporary structure at the top of the energy diagram (yellow/green)

56. $1600 PbCl 2 has a larger K sp Which salt would be the most soluble? PbCl 2 K sp = 1.7 x 10 -5 Ag 2 S K sp = 6.0 x 10 -51

57. $2000 Ionic

58. $400 Loss of electrons= oxidation Gain of electrons = reduction What does LEO goes GER mean?

59. $800 Reduction Fe +3 + 3e -  Fe Is this an oxidation or a reduction?

60. $1200 + 7 What is the oxidation number of Mn in MnO 4 - ?

61. $1600 O, it goes from 0 to -2 What is getting reduced in the equation below? 4 Cu + O 2  2 Cu 2 O

62. $2000 1.06 Volts Given the information on the board, calculate the cell potential for the following cell; Ag + /Ag // Ni/Ni +2

63. $400 At the cathode In a voltaic cell where does reduction occur?

64. $800 1 x 10 -14 What is the ionization constant for water?

65. $1200 O 2 since it is getting reduced Who is the oxidizing agent in the reaction below? Fe + O 2  Fe 2 O 3

66. $1600 Endpoint In a titration this is the point when you see a color change

67. $2000.030 Molar Suppose that 10.1 mL of HNO3 is neutralized by 71.4 mL of a.0042 M solution of KOH in a titration. Calculate the molarity of the HNO3.

68. Daily Double [OH - ] > [H + ] In a basic solution what is the relationship between [H + ] and [OH - ]

69. Daily Double If a stress is applied to a system at equilibrium the system will adjust to relieve the stress and establish a new equilibrium State Le Chatelier’s Principle and give an example

70. Daily Double K sp = 4.3 x 10 -11 For the equilibrium CaF2(s)  Ca2+(aq) + 2 F-(aq). Write the equilibrium expression and then calculate the Ksp value given the following information: [Ca2+] = 2.2 x 10-4 M and [F-] = 4.4 x 10-4 M

71. The Jeopardy champion!