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5. 100 200 300 400 Gas LawsKinetic Theory Phase Changes States of Matter Relationships Misc 100

6. A 100 The total pressure of an O 2 -Ar- He gas mixture is 755 mm Hg. If the partial pressure of Ar is 174 mm Hg and the partial pressure of He is 389 mm Hg, then the partial pressure of O 2 is —

7. A 100 192 mm Hg

8. A 200 A gas cylinder is filled with 4.00 moles of oxygen gas at 300.0 K. The piston is compressed to yield a pressure of 3.95 atm. What is the volume inside the cylinder? (R= 0.0821 L*atm/mol *K)

9. A 200 24.94 L

10. A 300 Gas is confined in a metal tank. At 20.20  C, the gas exerts a pressure of 8.532 atm. After heating the tank, the pressure of the gas increases to 10.406 atm. What is the temperature of the heated gas?

11. 357.6 K A 300

12. A sample of nitrogen occupies 10.0 liters at 25  C and 98.7 kPa. What would be the volume at 20  C and 770.5 mmHg? A 400

13. 9.45 L A 400

14. The Kinetic Molecular Theory states that- B 100

15. All matter is in constant motion B 100

16. Water molecules have the greatest kinetic energy in- a.Ice at 0  C b.Water at 373K c.Water 98  C d.Steam at 150  C B 200

17. D. Steam at 150  C B 200

18. According to the kinetic-molecular theory of gases, molecules of an ideal gas - A.Have strong forces between themHave strong forces between them B.Are separated by small distancesAre separated by small distances C.Undergo elastic collisionsUndergo elastic collisions D.Travel in curved lines of motionTravel in curved lines of motion B 300

19. A.Undergo elastic collisions

20. Explain in terms of the kinetic theory why a solid does not take the shape of its container while a liquid and a gas will. B 400

21. Solids have the strongest intermolecular force that keeps the particles in a fixed position. Solid particles only vibrate they do not move freely.

22. C 100 Which numbered process represents condensation?

23. 2 C 100

24. C 200 Which change in state requires that energy be added to the substance: a.Freezing b.Condensing c.Vaporizing d.Deposition

25. C: Vaporizing C 200

26. Water can be made to boil above its normal boiling point of 100º C by — A decreasing the air pressure B increasing the air pressure C increasing the heat being applied D decreasing the volume of the container C 300

27. B increasing the air pressure C 300

28. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

29. A liquid placed in a closed container will evaporate until- C 400

30. vaporizing = condensing Dynamic equilbrium C 400

31. The table above lists the melting and boiling points of some metals. Which metal remains liquid over the widest range of temperature? D 100

32. Platinum D 100

33. Which state of matter has the most kinetic energy? D 200

34. plasma D 200

35. D 300 What state of matter flows but has a intermolecular force that causes the particles to be close?

36. Liquid D 300

37. D 400 How are the following alike: a plastic water bottle, a rubber band, and a glass pickle jar ?

38. All are amorphous solid D 400

39. If you decrease the temperature of a gas, what happens to the pressure of that gas- E 100

40. Decreases E 100

41. E 200 Each balloon was filled with an identical number of moles of gas at standard pressure. Why is balloon B is larger than balloon A?

42. Balloon B is at a higher temperature or Balloon A is at a cooler temperature E 200

43. If the pressure exerted on a confined gas is doubled, then the volume of the gas will- E 300

44. Is halved E 300

45. Which graph represents the relationship that exists between pressure and volume? A. C. B. D. E 400

46. C

47. F 100 Which substance has the weakest intermolecular force-

48. A F 100

49. What phase change is the arrow below representing? F 200

50. Sublimation F 200

51. Which gas will effuse faster, methane gas (CH 4 ) or oxygen gas? F 300

52. Methane (CH 4 ) F 300

53. Why does air effuse a tire when the tire valve is opened? F 400

54. Pressure outside lower than pressure inside the tire. Gasses move from high concentration to low concentration until equal F 400

55. The Final Jeopardy Category is: Please record your wager. Click on screen to begin

56. Which of the following liquids would exhibit the highest vapor pressure at 25.0°C? A.Ethyl alcohol, boiling point = 78.3°C B.Ether, boiling point = 34.6°C C.Water, boiling point = 100°C D.Glycerine, boiling point = 290°C Click on screen to continue

57. B. Ether, boiling point = 34.6°C Click on screen to continue

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