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42 Matching questions

  1. A nail is driven into a board with an initial kinetic energy of 150 J. IF the potential energy before and after the event is the same, what is the change in the internal energy of the board and nail?
  2. What is the temperature of a system in thermal equilibrium with another system made up of ice and water at 1 atm of pressure?
  3. If energy is transferred from a table to block of ice moving across the table, which of the following statements is true?
  4. Which of the following is a form of kinetic energy that occurs within a molecule when the bonds are stretched or bent?
  5. Using the figure above, determine which value equals the latent heat required to change the liquid water into steam.
  6. What is the temperature increase of water per kilogram at the bottom of a 145 m waterfall if all of the initial potential energy is transferred by heat to the water?
    (g = 9.81 m/s^2 and c p = 4186 J/kg•°C)
  7. If two small beakers of water, one at 70°C and one at 80°C, are emptied into a large
    beaker, what is the final temperature of the water?
  8. How is energy transferred as heat always directed?
  9. Which of the following best describes the relationship between two systems in thermal equilibrium?
  10. A substance's temperature increases as a direct result of
  11. Why does sandpaper get hot when it is rubbed against rusty metal?
  12. Which of the following is true during a phase change?
  13. The figure above shows how the temperature of 10.0 g of ice changes as energy is added. Which of the following statements is correct?
  14. Find the final equilibrium temperature when 10.0 g of milk at 10.0°C is added to 1.60 × 102g of coffee with a temperature of 90.0°C. Assume the specific heats of coffee and milk are the same as for water (cw = 4.19 J/g•°C), and disregard the heat capacity of the container.
  15. Which of the following describes a substance in which the temperature and pressure remain constant while the substance experiences an inward transfer of energy?
  16. In the presence of friction, not all of the work done on a system appears as mechanical energy. What happens to the rest of the energy provided by work?
  17. Which thermodynamic process takes place at constant volume so that no work is done on or by the system?
  18. The use of fiberglass insulation in the outer walls of a building is intended to minimize energy transfer through what process?
  19. A slice of bread contains about 4.19 x 10^5 J of energy. If the specific heat capacity of 4.19 x 10^3 J/kg•°C, by how many degrees Celsius would the temperature of a 70.0 kg person increase if all the energy in the bread were converted to heat?
  20. Which of the following is proportional to the kinetic energy of atoms and molecules?
  21. What are the energies associated with atomic motion called?
  22. Which of the following is the equivalent of 88°F?
  23. High temperature is related to
  24. As the temperature of a substance increases its volume tends to increase due to
  25. The normal body temperature for human beings is 98.6°F. This corresponds to which
    of the following in kelvins?
  26. Which of the following terms describes energy that is transferred?
  27. What temperature has the same numerical value on both the Fahrenheit and the Celsius scale?
  28. A 0.2 kg mass of metal with a specific heat capacity of 1.26 × 103 J/kg•°C and an initial temperature of 90°C is placed in a 500 g calorimeter at an initial temperature of 20°C with a specific heat capacity of 4.19 × 102 J/kg•°C. The calorimeter is filled with 0.1 kg of water with an initial temperature of 20°C. When the combination of the metal, the calorimeter, and the water reaches equilibrium, what is the final temperature?
  29. Which of two rods has the greatest thermal conductivity?
  30. At what point on the figure above is the amount of energy transferred as heat
    approximately 4.19 × 103
    J?
  31. What happens to the internal energy of an ideal gas when it is heated from 0°C to 4°C?
  32. All of the following are widely used temperature scales EXCEPT
  33. Energy transfer as heat between two objects depends on which of the following?
  34. At what point on the figure above does the substance undergo a phase change?
  35. The figure above shows how the temperature of 10.0g of ice changes as energy is added. Which of the following statements is correct?
  36. What is the temperature of a system in thermal equilibrium with another system
    made up of water and steam at 1 atm of pressure?
  37. If there is no temperature difference between a substance and its surroundings, what has occurred on the microscopic level?
  38. A 1.0 kg cube of ice is dropped into 1.0 kg of water, and when equilibrium is reached, there are 2.0 kg of ice at 0.0° C. The initial temperature of the water was 0°C. What was the original temperature of the ice? (cw = 4186 J/kg•°C, ci = 2093 J/kg•°C, and Lf = 3.3 × 105 J/kg)
  39. On a sunny day at the beach, the reason the sand gets hot and the water stays relatively
    cool is attributed to the difference in which property between water and sand?
  40. A substance registers a temperature change from 20°C to 40°C. To what incremental temperature change does this correspond?
  41. What three properties of a substance affect the amount of energy transferred as heat to or from the substance?
  42. To which of the following is high temperature related?
  1. a Energy has been transferred from higher-energy particles to lower-energy particles.
  2. b The water absorbed energy continuously, but the temperature increased only when all of the water was in one phase.
  3. c 20°C
  4. d Friction is creating the heat.
  5. e conduction
  6. f 20 K
  7. g The water absorbed energy continuously, but the temperature increased only when
    all of the water was in one phase.
  8. h temperature
  9. i 150 J
  10. j internal energy
  11. k substance undergoing a change of state
  12. l between 70°C and 80°C
  13. m from an object at high temperature to an object at low temperature
  14. n 100°C
  15. o C
  16. p 85.3°C
  17. q high kinetic energy.
  18. r vibrational
  19. s 1.43°C
  20. t a rod with electrons that are freer to move from atom to atom than another rod
  21. u specific heat
  22. v The difference in temperature of the two objects.
  23. w 0.340°C
  24. x The ice is cooler than the table.
  25. y high particle kinetic energy
  26. z isovolumetric
  27. aa B
  28. ab kinetic energy being added to the particles of the substance.
  29. ac 31°C.
  30. ad thermal expansion.
  31. ae It increases.
  32. af mass, temperature change, specific heat capacity
  33. ag -40.0°
  34. ah 22.6 x 10^3 J
  35. ai 310 K
  36. aj No net energy is exchanged.
  37. ak Temperature remains constant.
  38. al heat
  39. am The remaining energy causes an increase in the internal energy of the system.
  40. an 273 K
  41. ao -160°C
  42. ap Joule.