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Wednesday, Nov. 14 th : “A” Day Thursday, Nov. 15 th : “B” Day Agenda Chapter 10 review problems/questions? Chapter 10 review problems/questions?

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Presentation on theme: "Wednesday, Nov. 14 th : “A” Day Thursday, Nov. 15 th : “B” Day Agenda Chapter 10 review problems/questions? Chapter 10 review problems/questions?"— Presentation transcript:

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4 Wednesday, Nov. 14 th : “A” Day Thursday, Nov. 15 th : “B” Day Agenda Chapter 10 review problems/questions? Chapter 10 review problems/questions? Chapter 10 Jeopardy Review Game Chapter 10 Jeopardy Review Game Homework: Homework: Vocabulary crossword puzzle Vocabulary crossword puzzle Next Time: Chapter 10 Test/Concept Review/Crossword Puzzle Due

5 Good Luck to musicians this weekend at the IMEA music festival in DeKalb!

6 Chapter 10 Short Answer Test Questions  The “Critical Thinking” category in the Jeopardy game contains 5 of the 6 short answer test questions.  Here’s the 6 th : In the “Calorimetry and Hess’s Law lab, the sodium hydroxide (NaOH) was described as “hygroscopic”. Explain what this term means.

7 Causes of Change Ch #10

8 THE RULES: You will be in 5 teams The winning team will each receive $1 mole No whining!

9 And now…here is the host of Jeopardy… Mrs. Elfline

10 Let’s Get Ready to play… Today’s Categories are:

11 Vocabulary

12 Fill in the Blank Fill in the Blank

13 Calculations

14 Critical Thinking Critical Thinking

15 Double Meaning

16 $100 $200 $300 $400 $500 Vocabulary $100 $200 $300 $400 $500 Fill in the Fill in the Blank $100 $200 $300 $400 $500 Calculations $100 $200 $300 $400 $500 Critical Thinking Thinking $100 $200 $300 $400 $500 Double Meaning DD FJ

17 The total energy content of a system at constant pressure Answer…

18 Enthalpy 100

19 A measure of the average kinetic energy of the particles in a sample of matter Answer…

20 Temperature 200

21 The study of all energy changes Answer…

22 Thermodynamics 300

23 The disorder or randomness of a system Answer…

24 Entropy 400

25 The amount of energy as heat required to raise the temperature of 1 mole of a substance by 1K The amount of energy as heat required to raise the temperature of 1 mole of a substance by 1K Answer…

26 Molar Heat Capacity 500

27 Answer… The energy transferred between two objects that are at different temperatures is called _______

28 100 Heat

29 Answer… The unit for temperature used in thermodynamic equations is _____

30 K (Kelvin) 200

31 _______ calorimetry uses an insulating vessel to measure changes in energy instead of a water bath. Answer…

32 Adiabatic 300

33 The standard enthalpy of formation of an element is ______. Answer…

34 Zero 400

35 The overall enthalpy change in a reaction is equal to the sum of the enthalpy changes of individual steps is a statement of _______ ________. Answer…

36 Hess’s Law 500

37 How do you convert °C to K? Answer…

38 Add 273 (or 273.15) 100

39 In the equation q = nCΔT, what do the variables stand for? Answer…

40 q = energy as heat n = number of moles C = molar heat capacity ΔT = change in temperature 200

41 What is the molar heat capacity of 150 g of Fe that absorbed 160 J of energy as it was heated from 25°C to 75°C. Answer…

42 1.2 J/mol∙K 300

43 What is the molar enthalpy change when a block of aluminum is cooled by 60 K? The molar heat capacity of aluminum is 24.2 J/K∙mol. Answer…

44 -1,452 J/mol 400

45 Answer… Use the data table in your book to the find ΔH for the following reaction: 4Al (s) + 6H 2 O (l) 2Al 2 O 3 (s) + 6H 2 (g)

46 -1,637 kJ 500

47 Explain the difference between heat and temperature. Answer…

48 Heat: the energy transferred between objects that are at different temperatures Temperature: a measure of the average kinetic energy of the particles in a sample of matter OR a measure of how hot or cold something is 100

49 How is molar heat capacity related to specific heat? Answer…

50 Molar Heat Capacity: energy needed to raise the temperature of 1 mole of a substance by 1K Specific Heat: energy needed to raise the temperature of 1 gram of a substance by 1K OR (molar mass) (specific heat) = molar heat capacity 200

51 How is a change in Gibbs energy related to changes in enthalpy and entropy? Answer…

52 ΔG = ΔH - TΔS 300

53 Explain why the effects of entropy increase as temperature increases. Answer…

54 G = H - TS As the temperature increases, the kinetic energy of the particles also increases, contributing to more disorder in the system. Also, as T increases, S is being multiplied by an even bigger number, increasing the effects of entropy even further. 400

55 How do the signs (+ or -) of ΔH and ΔS predict the spontaneity of a reaction? Answer…

56 - ΔH and +ΔS = spontaneous +ΔH and -ΔS = non-spontaneous 500

57 The largest city in California is what element? Answer…

58 La (Lanthanum) 100

59 One of Santa’s favorite words is what element? Answer…

60 Ho (Holmium) 200

61 What element is short for YMCA? Answer…

62 Y (Yttrium) 300

63 Which element is 7 th in the musical scale that begins “Do, Re, Mi…”? Answer…

64 Ti (Titanium) 400

65 The home state of Bill Clinton is which element? Answer…

66 Ar (Argon) 500

67 Daily Double How much do you want to wager? Daily Double Daily Double

68 FINAL JEOPARDY

69 CATEGORY: Calculations How much do you want to wager? Proceed…

70 For glucose, ΔH f o = -1,263 kJ/mol. Calculate the enthalpy change when 1 mol of C 6 H 12 O 6 (s) combusts to from CO 2 (g) and H 2 O (l). Hint: you will need to use data tables from your book… Proceed…

71 - 2,813 kJ Proceed…

72 Thanks for PLAYING!


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