1. Gas Laws/Radiation/Equilibrium Review Game

2. Pick A Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

3. Question 1

4. Question 1 Answer: B 80 mm Hg
The mixture is 10% oxygen; 800 mm Hg x 0.10 = 80 mm Hg
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5. Question 2

6. Question 2
Volume and Temperature are proportional. As one goes up, so does the other.
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7. Question 3 Which of the following is not a unit of pressure? A Newton
B mm Hg
C atmosphere
D Pascal

8. Question 3 Which of the following is not a unit of pressure? A Newton
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9. Question 4
The volume of a balloon is 20 L when the temperature is 20 degree celsius. If the temperature is raised to 50 degrees celsius, what is the new volume?
A) 18.1 L
B) 20 L
C) L
D) 50 L

10. Question 4
The volume of a balloon is 20 L when the temperature is 20 degree celsius. If the temperature is raised to 50 degrees celsius, what is the new volume?
Answer: C) L
Remember, the temperature must be converted to Kelvin first ( ) = 293 K, ( ) = 323 K
(20 L/293 K) = ( ?? L/323 K)
?? = 22.0 L
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11. Question 5
Free Point 

12. Question 5
Free Point 
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13. Question 6
According to Boyle’s law, the relationship between the pressure and volume of a gas at constant temperature is —
a. numerically equivalent
b. inversely proportional
c. positively correlated
d. totally unrelated

14. Question 6
According to Boyle’s law, the relationship between the pressure and volume of a gas at constant temperature is —
Answer: b. inversely proportional
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15. Question 7
A balloon is filled with 3.8 L of helium gas at 22.4 atm pressure. If the pressure is lowered to 1.0 atm, what is the new volume?
a L
b L
c. 72 L
d. 85 L

16. Question 7
A balloon is filled with 3.8 L of helium gas at 22.4 atm pressure. If the pressure is lowered to 1.0 atm, what is the new volume?
Answer: d. 85 L
When we eliminate temperature from the combined gas law, we get P1V1 = P2V2
(22.4 atm)(3.8 L) = (1.0 atm)P2
P2 = 85 L
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17. Question 8 What is standard temperature and pressure? A o K and 1 KPa
B 0 C and 1 kPa
C o K and 1 atm
D 0 C and 1 atm

18. Question 8 What is standard temperature and pressure?
Answer: D 0 C and 1 atm
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19. Question 9
Whose law states that temperature and volume are proportional to one another?
A Avogadro
B Charles
C Boyle
D Dalton

20. Question 9
Whose law states that temperature and volume are proportional to one another?
Answer: B Charles
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21. Question 10

22. Question 10
Answer: G 0.40 atm
If 80% of the mixture is nitrogen, then 20% is oxygen x 2.0 atm = 0.40 atm
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23. Question 11

24. Question 11
Answer: H mL
When temperature is excluded from the Combined Gas Law, you end up with P1V1 = P2V2. (100 mL)(600 mm Hg) = (800 mm Hg)(V2)
V2 = mL
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25. Question 12
A gas cylinder is filled with 2.00 moles of oxygen gas at K. The piston is compressed to yield a pressure of kPa. What is the volume inside the cylinder?
a dm3
b dm3
c dm3
d dm3

26. Question 12 Use the ideal gas law, PV = nRT
A gas cylinder is filled with 2.00 moles of oxygen gas at K. The piston is compressed to yield a pressure of kPa. What is the volume inside the cylinder?
Answer: b dm3
Use the ideal gas law, PV = nRT
(400 kPa)V = (2.0 moles)(8.31)(300 K)
V = dm3
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27. Question 13 The SI unit of pressure is: a. liters b. atmospheres
c. newtons
d. pascals

28. Question 13
The SI unit of pressure is:
Answer: d. pascals
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29. Question 14
Which of the properties below is not characteristic of gases?
a. the ability to flow easily
b. very high density
c. compressibility
d. takes the shape of its container

30. Question 14
Which of the properties below is not characteristic of gases?
Answer: b. very high density
Gases have a low density
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31. Question 15
A can contains a gas with a volume of 100 L at 0 C. What is the volume of the can if it is heated to 50 C?
a. 200 L
b. 150 L
c. 118 L
d. 93 L

32. Question 15
A can contains a gas with a volume of 100 L at 0 C. What is the volume of the can if it is heated to 50 C?
Answer: c. 118 L
When pressure is left out of the combined gas law, V1/T1 = V2/T2
The temperatures must be converted to Kelvin first, so T1=273 K and T2 = 323 K
(100 L/273 K) = (V2/323 K)
V2 = 118 L
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33. Question 16
A sample of nitrogen occupies 10.0 liters at 25°C and 98.7 kPa. What would be the volume at 20°C and kPa?
A 7.87 L
B 9.45 L
C 10.2 L
D 10.6 L

34. Question 16
A sample of nitrogen occupies 10.0 liters at 25°C and 98.7 kPa. What would be the volume at 20°C and kPa?
Answer: B 9.45 L
Use the combined gas law, plug into the formula, and make sure the temperatures are in Kelvin!
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35. Question 17
A gas cylinder with a volume of 3.00 dm3 contains 8.00 moles of oxygen gas at a temperature of 50.0 K. What is the pressure inside the cylinder?
A 504 kPa
B 1110 kPa
C 2220 kP
D 3320 kPa

36. Question 17
A gas cylinder with a volume of 3.00 dm3 contains 8.00 moles of oxygen gas at a temperature of 50.0 K. What is the pressure inside the cylinder?
Answer: B 1110 kPa
Use the ideal gas law, PV = nRT
(3.00)P = (8.00)(8.31)(50.0)
P = 1110 kPa
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37. Question 18
A balloon contains 8.0 liters of gas at 100 K. What is the balloon’s volume at 200K?
A 4.0 L
B 8.0 L
C 16.0 L
D 24.0 L

38. Question 18
A balloon contains 8.0 liters of gas at 100 K. What is the balloon’s volume at 200K?
Answer: C 16.0 L
Using the combined gas law without temperature, V1/T1 = V2/T2
8.0/100 = V2/200
V2 = 16.0 L
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39. Question 19
When pressure, volume, and temperature are known, the ideal gas law can be used to calculate:
a. the chemical formula
b. the ideal gas constant
c. compressibility
d. the number of moles

40. Question 19
When pressure, volume, and temperature are known, the ideal gas law can be used to calculate:
Answer: d. the number of moles
Ideal gas law includes temperature, pressure, volume and moles, PV = nRT
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41. Question 20
How many moles of Hydrogen gas are in a 20 L tank pressurized to 1000 kPa at 300K?
A 4.0 moles
B 8.0 moles
C 16.0 moles
D 32.0 moles

42. Question 20
How many moles of Hydrogen gas are in a 20 L tank pressurized to 1000 kPa at 300K?
Answer: B 8.0 moles
P=1000., V=20. L, n=? T=300K
(1000)(20) = n(8.31)(300) so n = 8.0 moles Hydrogen
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43. Question 21 What is the volume of 1 mole of gas at STP? A 1.0 L
B 22.4 L
C 100 L
D x 1023 L

44. Question 21 What is the volume of 1 mole of gas at STP?
Answer: B 22.4 L
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45. Question 22
A 15 liter tank contains 2.0 moles of nitrogen gas at 27 °C. What is the pressure of nitrogen inside the tank? (R = 8.314)
A 29.9 kPa
B kPa
C kPa
D kPa

46. Question 22
A 15 liter tank contains 2.0 moles of nitrogen gas at 27 °C. What is the pressure of nitrogen inside the tank?
Answer: C kPa
P=?, V=15 L, n=2.0, T=300K (remember to convert)
P(15)=2.0(8.31)(300) so P = kPa
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47. Question 23

48. Question 23 Answer: G a gas-filled balloon expands when it is heated
None of the other choices mention a change in temperature (“heated”) or volume (“expands”)
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49. Question 24 According to the kinetic-molecular theory, gas particles:
a. are in constant motion
b. have different shapes
c. have different colors
d. are in contact with each other

50. Question 24 According to the kinetic-molecular theory, gas particles:
Answer: a. are in constant motion
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51. Question 25

52. Question 25
Answer: C 351 K
K = C + 273
= K
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53. Question 26

54. Question 26
Answer: A
Charles’ Law states volume and temperature are proportional. Graphs A and C have volume and temperature. Graph A shows the right relationship.
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55. Question 27

56. Question 27 Answer: G 0.24 mm Hg
Subtract all of the partial pressures in the table from 760 mm Hg and the result is above
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57. Question 28

58. Question 28 Answer: G) A solid changing to a gaseous phase
Sublimation is the direct change from solid to gas
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59. Question 29 S

60. Question 29
Answer: D Their motion gradually decreases and eventually stops
Temperature is a measure of kinetic energy. If the temperature decreases to absolute zero, the motion decreases, eventually to nothing
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61. Question 30

62. Question 30 Answer: D collide more frequently with the container
Pressure results from molecular collisions with the sides of a container
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63. Question 31

64. Question 31
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65. Question 32

66. Question 32
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67. Question 33

68. Question 33
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69. Question 34

70. Question 34
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71. Question 35

72. Question 35
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73. Question 36

74. Question 36
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75. Question 37

76. Question 37
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77. Question 38

78. Question 38
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79. Question 39

80. Question 39
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81. Question 40

82. Question 40
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