1. Heat & Thermodynamics
Test Prep Game

2. What is the energy transferred to or from a unit of mass of a substance during a phase change called?
Latent Heat
Specific Heat Capacity
Internal Energy
Thermal Energy

3. What is the energy transferred to or from a unit of mass of a substance during a phase change called?
Latent Heat
Specific Heat Capacity
Internal Energy
Thermal Energy

4. A 0. 075 kg object at 93 C is placed in 0
A kg object at 93 C is placed in kg water with an initial temperature of 25 C. The final temperature of the object and water is 29 C. What is the specific heat capacity of the object (Cpw = 4186 J/kg C)?
260 J/kg C
520 J/kg C
129 J/kg C
1040 J/kg C

5. A 0. 075 kg object at 93 C is placed in 0
A kg object at 93 C is placed in kg water with an initial temperature of 25 C. The final temperature of the object and water is 29 C. What is the specific heat capacity of the object (Cpw = 4186 J/kg C)?
260 J/kg C
520 J/kg C
129 J/kg C
1040 J/kg C

6. How much work is done by m3 of gas if it’s pressure increases by 2.0 x 105 Pa and the volume remains constant?
-4000 J
+4000 J
0 J
1 x 107 J

7. How much work is done by m3 of gas if it’s pressure increases by 2.0 x 105 Pa and the volume remains constant?
-4000 J
+4000 J
0 J
1 x 107 J

8. A volume of cool air rapidly descends from the top of a mountain
A volume of cool air rapidly descends from the top of a mountain. The temperature increases as the volume decreases and the pressure increases. Which thermodynamic process is taking place?
Adiabatic
Isovolumetric
Isobaric
Isothermal

9. A volume of cool air rapidly descends from the top of a mountain
A volume of cool air rapidly descends from the top of a mountain. The temperature increases as the volume decreases and the pressure increases. Which thermodynamic process is taking place?
Adiabatic
Isovolumetric
Isobaric
Isothermal

10. Gas within a piston is compressed from 1. 55 x 10-2 m3 to 9
Gas within a piston is compressed from 1.55 x m3 to 9.5 x 10-3 m3. what quantity of work is done if the compression occurs at a constant pressure of 3.0 x 105 Pa?
1800 J
3600 J
-3600 J
-1800 J

11. Gas within a piston is compressed from 1. 55 x 10-2 m3 to 9
Gas within a piston is compressed from 1.55 x m3 to 9.5 x 10-3 m3. what quantity of work is done if the compression occurs at a constant pressure of 3.0 x 105 Pa?
1800 J
3600 J
-3600 J
-1800 J

12. A steam engine takes in 2750 J of energy as heat, gives up 1550 J of energy to the surroundings and does 850 J of work. What is the change in internal energy of the engine?
5150 J
3450 J
2050 J
350 J

13. A steam engine takes in 2750 J of energy as heat, gives up 1550 J of energy to the surroundings and does 850 J of work. What is the change in internal energy of the engine?
5150 J
3450 J
2050 J
350 J

14. Which of the following best describes a state of Thermal Equilibrium?
Both systems have the same mass.
Both systems have the same volume.
Both systems have the same temperature.
Both systems contain the same amount of internal energy.

15. Which of the following best describes a state of Thermal Equilibrium?
Both systems have the same mass.
Both systems have the same volume.
Both systems have the same temperature.
Both systems contain the same amount of internal energy.

16. Which of the following correctly describes Thermal Expansion
Which of the following correctly describes Thermal Expansion? As the temperature increases,
the volume of the substance increases
the volume of the substance decreases
the density of the substance increases
the density of the substance decreases

17. Which of the following correctly describes Thermal Expansion
Which of the following correctly describes Thermal Expansion? As the temperature increases,
the volume of the substance increases
the volume of the substance decreases
the density of the substance increases
the density of the substance decreases

18. What is 235 K when measured in degrees Celsius?

19. What is 235 K when measured in degrees Celsius?

20. Which temperature is widely used in science, and applied to non-scientific uses throughout most of the world?
Rankine
Celsius
Fahrenheit
Kelvin

21. Which temperature is widely used in science, and applied to non-scientific uses throughout most of the world?
Rankine
Celsius
Fahrenheit
Kelvin

22. Convert 36.7 C to degrees Fahrenheit.

23. Convert 36.7 C to degrees Fahrenheit.

24. What term is defined as the energy transferred between objects with different temperatures?
Internal Energy
Work
Heat
Thermal Equilibrium

25. What term is defined as the energy transferred between objects with different temperatures?
Internal Energy
Work
Heat
Thermal Equilibrium

26. What must be true for energy to be transferred between two bodies
What must be true for energy to be transferred between two bodies? The two bodies must:
have different volumes
be at different temperatures
have different masses
be in thermal equilibrium

27. What must be true for energy to be transferred between two bodies
What must be true for energy to be transferred between two bodies? The two bodies must:
have different volumes
be at different temperatures
have different masses
be in thermal equilibrium

28. If energy is transferred from an object with a temperature, T1, to an object with a temperature, T2, what must be true?
T1 < T2
T1 = T2
T1 > T2
More information is needed

29. If energy is transferred from an object with a temperature, T1, to an object with a temperature, T2, what must be true?
T1 < T2
T1 = T2
T1 > T2
More information is needed

30. What is the process by which energy is transferred by the motion of cold and hot material?
Conduction
Insulation
Convection
Radiation

31. What is the process by which energy is transferred by the motion of cold and hot material?
Conduction
Insulation
Convection
Radiation

32. Which of the following is NOT a good thermal insulator?
Ceramic
Iron
Fiberglass
Cork

33. Which of the following is NOT a good thermal insulator? Ceramic Iron
Fiberglass
Cork d

34. A 0. 45 kg stone is dropped from a cliff
A 0.45 kg stone is dropped from a cliff. When the stone strikes the ground, the internal energy of the stone and ground increases by 1770 J. If the stone was initially at rest, how high was the cliff?
206 m
177 m
401 m
802 m

35. A 0. 45 kg stone is dropped from a cliff
A 0.45 kg stone is dropped from a cliff. When the stone strikes the ground, the internal energy of the stone and ground increases by 1770 J. If the stone was initially at rest, how high was the cliff?
206 m
177 m
401 m
802 m d

36. What is the quantity of energy needed to raise the temperature of a unit mass of a substance by 1 C called?
Latent Heat
Specific Heat Capacity
Internal Energy
Thermal Energy

37. Specific Heat Capacity Internal Energy Thermal Energy
What is the quantity of energy needed to raise the temperature of a unit mass of a substance by 1 C called?
Latent Heat
Specific Heat Capacity
Internal Energy
Thermal Energy d

38. Which property of a substance is NOT needed to determine the amount of energy transferred as heat to or from a substance?
Temperature
Specific Heat Capacity
Volume
Mass

39. Specific Heat Capacity Volume Mass
Which property of a substance is NOT needed to determine the amount of energy transferred as heat to or from a substance?
Temperature
Specific Heat Capacity
Volume
Mass d

40. The entropy of a system can increase, decrease or remain constant, but the total entropy of the universe is always _______.
Decreasing
Increasing
Negative
Zero

41. The entropy of a system can increase, decrease or remain constant, but the total entropy of the universe is always _______.
Decreasing
Increasing
Negative
Zero d

42. A 0.25 kg metal bolt gives up 3.6 x 103 J of energy as heat to the surrounding water. The specific heat capacity of the bolt is 360 J/kg C. What is the change in the bolt’s temperature?
0.40 C
2.5 C
4.0 C
40.0 C

43. A 0.25 kg metal bolt gives up 3.6 x 103 J of energy as heat to the surrounding water. The specific heat capacity of the bolt is 360 J/kg C. What is the change in the bolt’s temperature?
0.40 C
2.5 C
4.0 C
40.0 C d

44. An engine takes in 7. 6 x 105 J of energy as heat and gives up 5
An engine takes in 7.6 x 105 J of energy as heat and gives up 5.7 x 105 J of heat to the surroundings. What is the efficiency of the engine?
33%
25%
50%
46%

45. An engine takes in 7. 6 x 105 J of energy as heat and gives up 5
An engine takes in 7.6 x 105 J of energy as heat and gives up 5.7 x 105 J of heat to the surroundings. What is the efficiency of the engine?
33%
25%
50%
46% d

46. What are the units for Specific Heat?
J/kgF
Jm/kgC
J/kgC
N/kgsecC

47. What are the units for Specific Heat? J/kgF Jm/kgC J/kgC N/kgsecCd

48. What is the First Law of Thermal Dynamics?
U = Q + W
U = Q – W
U = Q x W
U = Q/W

49. What is the First Law of Thermal Dynamics? U = Q + W U = Q – W
U = Q x W
U = Q/W d

50. A wok is used to heat 100. 0 g of olive oil from 20. 0 C to 190 C
A wok is used to heat g of olive oil from 20.0 C to 190 C. The specific heat of the oil is 2000 J/kg C. How much head was added to the oil?
3,400 J
17,000 J
68,000 J
34,000 J

51. A wok is used to heat 100. 0 g of olive oil from 20. 0 C to 190 C
A wok is used to heat g of olive oil from 20.0 C to 190 C. The specific heat of the oil is 2000 J/kg C. How much head was added to the oil?
3,400 J
17,000 J
68,000 J
34,000 J d

52. An engine uses 5 x 106 J of heat
An engine uses 5 x 106 J of heat. If the engine is 40% efficient, how much work can it do?
2 x 106 J
1.25 x 107 J
3 x 106 J
8.3 x 106 J

53. An engine uses 5 x 106 J of heat
An engine uses 5 x 106 J of heat. If the engine is 40% efficient, how much work can it do?
2 x 106 J
1.25 x 107 J
3 x 106 J
8.3 x 106 J d

54. The form of heat transfer that takes place in a house heated by forced air is primarily:
Radiation
Work
Conduction
Convection

55. The form of heat transfer that takes place in a house heated by forced air is primarily:
Radiation
Work
Conduction
Convection d

56. Entropy states that natural processes tend to move towards greater:
Order
Disorder
Total Energy
Thermal Energy

57. Entropy states that natural processes tend to move towards greater:
Order
Disorder
Total Energy
Thermal Energy d

58. ________________ is a measure of the average kinetic energy of the particles in a substance.
Temperature
Internal Energy
Thermal Equilibrium
Latent Heat

59. ________________ is a measure of the average kinetic energy of the particles in a substance.
Temperature
Internal Energy
Thermal Equilibrium
Latent Heat d

60. Work done on or by a gas is dependent upon __________ and ____________ change.
Heat, Volume
Volume, Heat
Pressure, Volume
Internal Energy, Pressure

61. Internal Energy, Pressure
Work done on or by a gas is dependent upon __________ and ____________ change.
Heat, Volume
Volume, Heat
Pressure, Volume
Internal Energy, Pressure d