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Thermal Physics & Thermodynamics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which area of thermal physics deals with the movement of heat as a whole?

Question 2 2. Absolute zero is:

Question 3 3. Consider a bike coasting along a flat road. Which of the following accounts for the fact that the bike will eventually come to a stop?

Question 4 4. Why does a metal chair leg feel colder than a wooden desk in the same room?

Question 5 5. What is sublimation and why does it occur?

Page 2

Question 6 6. If you were to expand a donut-shaped object, what would happen to the size of the hole in the object?

Question 7 7. Based on the Law of Energy Conservation, which of the following would best maintain a machine's ability to do work without input of additional energy?

Question 8 8. What happens to the amount of usable energy in a system over time?

Question 9 9. During which stages of the Carnot Cycle is work done on the system (lost energy)?

Question 10 10. Which phase (or state) has molecules that can slide past each other, but always have the same volume?

Page 3

Question 11 11. How are temperature and phase different in terms of molecules?

Question 12 12. How much energy does it take to heat 75 grams of water from 50 to 70°C?

Question 13 13. What happens to the boiling and freezing point of water if salt is added?

Question 14 14. What is thermal energy?

Question 15 15. Which of the following is the best definition of entropy?

Page 4

Question 16 16. A large glass of tap water and a small glass of tap water are put side by side. How do their temperatures and heat contents compare?

Question 17 17. Does the Law of Energy Conservation apply to machines?

Question 18 18. What is heat transfer?

Question 19 19. Which of the following does NOT apply to the First Law of Thermodynamics?

Question 20 20. What is the zeroth law of thermodynamics?

Page 5

Question 21 21. Which of the following is not an example of a phase change?

Question 22 22. Heat is being transferred through a metal of thermal conductivity 50 W/m C. The material has a surface area of 0.1 meters squared, and a thickness of 0.05 meters. If one end of the material has a temperature of 10 degrees C and the other end has a temperature of 80 degrees C, how much heat will transfer is 42 seconds?

Question 23 23. The ability to do work is defined as ...

Question 24 24. If a 22.4 L container is holding 1.00 mole of a gas at 273 kelvins, then what is its pressure?

Question 25 25. Which of these is the most common form of the ideal gas equation?

Page 6

Question 26 26. Temperature is a measure of:

Question 27 27. Which of the following is TRUE about most gases?

Question 28 28. Which units of pressure are needed if you are going to use 0.0821 as your ideal gas constant?

Question 29 29. Which of the following is the best example of the Second Law of Thermodynamics?

Question 30 30. If you want to find the volume of a gas using the ideal gas law, which values do you need to know?

Thermal Physics & Thermodynamics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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