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MTEL Physics: Principles of 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!

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Question 1 1. Why are there plateaus on a heating curve?

Question 2 2. What accounts for the added heat energy when water boils?

Question 3 3. What happens to the temperature of water as it boils?

Question 4 4. If the boiling point of water increases with the addition of salt, then why do recipies call for you to add salt to the water?

Question 5 5. Which of the following is the best definition of entropy?

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Question 6 6. You heat up a piece of hot metal with an emissivity of 0.1 until it glows. If the temperature of the metal is 3000 K, and the surface area of the metal is 0.1 meters squared, how much heat energy per second is transferred by radiation from the metal?

Question 7 7. Which Kelvin temperature is equal to 25 degrees Celsius?

Question 8 8. Which of the following best describes the definition of radiation as a form of heat transfer?

Question 9 9. Which of the following is the best example of The Second Law of Thermodynamics?

Question 10 10. Temperature is a measure of:

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Question 11 11. What happens to the amount of usable energy in a system over time?

Question 12 12. The ability to do work is defined as ...

Question 13 13. What is the emissivity (e) of a perfect radiator of heat?

Question 14 14. As water heats up from 280 K to 310 K, the average kinetic energy of its molecules will:

Question 15 15. What is sublimation and why does it occur?

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Question 16 16. What happens to the melting and freezing point of water if salt is added?

Question 17 17. The aging of our bodies over time is an example of which of the following?

Question 18 18. How is freezing similar to deposition?

Question 19 19. How does adding energy to a solid change the substance?

Question 20 20. Which of the following is the best definition of energy?

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Question 21 21. Why does room temperature water disappear over time?

Question 22 22. Absolute zero is:

Question 23 23. Which of the following is an example of heat transfer by radiation?

Question 24 24. Which Celsius temperature is equal to 310 K?

Question 25 25. Which of the following is NOT an example of a real-life example or application of radiation?

MTEL Physics: Principles of Thermodynamics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

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