2. Template by Bill Arcuri, WCSD Click Once to Begin JEOPARDY! Chemistry 7 Final Review By: Catherine Flanagan

3. Template by Bill Arcuri, WCSD JEOPARDY! 100 200 300 400 500 Vocabulary Endothermic and Exothermic Calorimetry and Heat Capacity Practice Problems Enthalpy And Hess’s Law Change in State

4. Template by Bill Arcuri, WCSD Daily Double Graphic and Sound Effect! DO NOT DELETE THIS SLIDE! Deleting it may cause the game links to work improperly. This slide is hidden during the game, and WILL not appear. In slide view mode, copy the above (red) graphic (click once to select; right click the border and choose “copy”). Locate the answer slide which you want to be the daily double Right-click and choose “paste”. If necessary, reposition the graphic so that it does not cover the answer text. Daily Double!!!

5. Template by Bill Arcuri, WCSD Define endothermic Vocabulary: 100

6. Template by Bill Arcuri, WCSD A Chemical reaction during which energy is transferred from the surroundings to the system

7. Template by Bill Arcuri, WCSD If the ΔH is negative is it an endothermic or exothermic process? Vocabulary: 200

8. Template by Bill Arcuri, WCSD Exothermic

9. Template by Bill Arcuri, WCSD What does a calorie measure? Vocabulary: 300

10. Template by Bill Arcuri, WCSD The amount of energy it takes a certain substance to raise 1 gram of water 1 degree Celsius.

11. Template by Bill Arcuri, WCSD What the difference between a calorie and Calorie? Vocabulary: 400

12. Template by Bill Arcuri, WCSD A Calorie is 1000 calories.

13. Template by Bill Arcuri, WCSD What is enthalpy of fusion? Vocabulary: 500

14. Template by Bill Arcuri, WCSD The amount of heat required to melt 1g of a substance (H fus ).

15. Template by Bill Arcuri, WCSD If NH 3 NO 3 is dissolved in water and the temperature decreases is the process endothermic or exothermic? Endothermic and Exothermic: 100

16. Template by Bill Arcuri, WCSD Endothermic

17. Template by Bill Arcuri, WCSD Give an example of an exothermic phase change Endothermic and Exothermic: 200

18. Template by Bill Arcuri, WCSD Making ice Condensing water

19. Template by Bill Arcuri, WCSD Give an example of an endothermic phase change Endothermic and Exothermic: 300

20. Template by Bill Arcuri, WCSD Boiling or melting water

21. Template by Bill Arcuri, WCSD If ΔH is negative the reaction is… Endothermic and Exothermic: 400

22. Template by Bill Arcuri, WCSD Exothermic

23. Template by Bill Arcuri, WCSD An ice pack would be a …….. reaction Endothermic and Exothermic: 500

24. Template by Bill Arcuri, WCSD Endothermic

25. Template by Bill Arcuri, WCSD Convert 452J to calories Calorimetry and Heat Capacity: 100

26. Template by Bill Arcuri, WCSD 108 calories

27. Template by Bill Arcuri, WCSD Convert 384 kJ to calories. Calorimetry and Heat Capacity: 200

28. Template by Bill Arcuri, WCSD 91866 calories

29. Template by Bill Arcuri, WCSD If a 10.0g solid is dissolved in a 25.3°C sample of water and the final temperature is 27.4°C What is the value of ΔH? (Cp=.874 J / g °C) Calorimetry and Heat Capacity: 300

30. Template by Bill Arcuri, WCSD ΔH= 18.40 J

31. Template by Bill Arcuri, WCSD If 3.4 mol of Aluminum is dissolved in water and the temperature changes from 25°C to 318°K and the specific heat is.874 J / g °C What is the ΔH value? Calorimetry and Heat Capacity: 400

32. Template by Bill Arcuri, WCSD ΔH= 1590.70 J

33. Template by Bill Arcuri, WCSD How many Calories in 4500 kJ? Calorimetry and Heat Capacity: 500

34. Template by Bill Arcuri, WCSD 94 Calories

35. Template by Bill Arcuri, WCSD Convert 14.7 Calories to Joules Practice Problems: 100

36. Template by Bill Arcuri, WCSD 61446 J

37. Template by Bill Arcuri, WCSD If 1520 J are added to 24.5g of water at 63.1°C what will the final temperature be? Practice Problems: 200

38. Template by Bill Arcuri, WCSD 77.9°C

39. Template by Bill Arcuri, WCSD 45.8g of an unknown substance at 85.4°C is placed in 67.9g of water at 16.1°C, and the final temperature of the system is 22.7°C what is the specific heat capacity of the substance? Practice Problems: 300

40. Template by Bill Arcuri, WCSD C p =.156 cal / g°C

41. Template by Bill Arcuri, WCSD If you dissolve 3g of an unknown substance and the temperature changes 32°C and 56J are produced what is the specific heat? Practice Problems: 400

42. Template by Bill Arcuri, WCSD.583 J /g°C

43. Template by Bill Arcuri, WCSD Given the following information about water: Enthalpy of fusion: 80.87 cal/g Specific heat of ice:.51 cal/g°C Specific heat of water: 1cal/g°C Specific heat of steam:.48 cal/g°C Enthalpy of vaporization: 547.2cal/g How many calories are needed to warm 53.7g of water at -36.7°C to 136°C? Practice Problems: 500 Daily Double!!!

44. Template by Bill Arcuri, WCSD 35779.25 cal

45. Template by Bill Arcuri, WCSD Define enthalpy Enthalpy and Hess’s Law: 100

46. Template by Bill Arcuri, WCSD Heat when pressure is held constant

47. Template by Bill Arcuri, WCSD What is the value for ΔH for the following reaction? CS 2 (l) + 2 O 2 (g) → CO 2 (g) + 2 SO 2 (g) Given: C(s) + O2(g) → CO2(g); ΔHf = -393.5 kJ/mol S(s) + O2(g) → SO2(g); ΔHf = -296.8 kJ/mol C(s) + 2 S(s) → CS2(l); ΔHf = 87.9 kJ/mol Enthalpy and Hess’s Law: 200

48. Template by Bill Arcuri, WCSD -1075.0 kJ/mol.

49. Template by Bill Arcuri, WCSD If you want to warm 4.5g of water from 34.6°C to 62.1°C how many joules would you need to add to the water? (Specific heat of water= 4.18) Enthalpy and Hess’s Law: 300

50. Template by Bill Arcuri, WCSD 517.3 J

51. Template by Bill Arcuri, WCSD What mass of antimony can you melt with 9451J if the heat of fusion is 165 J /g ? Enthalpy and Hess’s Law: 400

52. Template by Bill Arcuri, WCSD 57.30g

53. Template by Bill Arcuri, WCSD How many joules are needed to melt 89.3g of antimony if the heat fusion is 165 J /g ? Enthalpy and Hess’s Law: 500

54. Template by Bill Arcuri, WCSD 14734.5 J

55. Template by Bill Arcuri, WCSD The change from liquid to solid is called what? Changes In State: 100

56. Template by Bill Arcuri, WCSD Freezing

57. Template by Bill Arcuri, WCSD The change from solid to gas is called what? Changes In State: 200

58. Template by Bill Arcuri, WCSD Sublimation Hence Mrs. Yard vaporizing students as the SUBLiMoMnAtEr…

59. Template by Bill Arcuri, WCSD Changes In State: 300 Gas Boiling Solid Time Melting Temperature What phase belongs in the yellow box?

60. Template by Bill Arcuri, WCSD Liquid

61. Template by Bill Arcuri, WCSD What happens on a molecular level to the atoms when they change from a liquid to a gas? Changes In State: 400

62. Template by Bill Arcuri, WCSD The molecules break away from each other and are no longer a define volume.

63. Template by Bill Arcuri, WCSD Why must one add gas to car tires in the winter but take gas out of car tires in the summer? Changes In State: 500

64. Template by Bill Arcuri, WCSD Because the gas molecules don’t move as fast in the winter therefore the tires would be deflated, where as the summer the molecules are faster and your tires will grow.

65. Template by Bill Arcuri, WCSD Final Jeopardy What is Mrs. Yard’s dogs name and when was it born?

66. Template by Bill Arcuri, WCSD Click Once to Begin Joule, April 18 th (4.18)