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Basics of Thermodynamics in Physics 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. Convert 100 Kelvin to degrees Celsius.

Question 2 2. Use the ideal gas law to calculate the pressure of 13 moles of a gas with a volume of 40 mL and a temperature of 18 C.

Question 3 3. Calculate the difference in the length of an object with a length of 1.25 m when the temperature changes from 10 C to 52 C (the coefficient of expansion is 7.8 × 10-6).

Question 4 4. A 150 Watt bulb has a surface area of 15 cm, a radius 0.05 m and an emissivity of 0.85. What is the temperature?

Question 5 5. The warmth created by the sun on earth is the result of _____.

Page 2

Question 6 6. Which of these occurs whenever there's a temperature difference between two places?

Question 7 7. Natural convection occurs when there is _____.

Question 8 8. If water has a specific heat capacity of 4.2 J/C, how much heat does it take to warm 50 grams of water from 60 C to 90 C?

Question 9 9. The heat needed to raise 1 gram of a substance 1 degree C is called _____.

Question 10 10. In a heating curve graph, phase changes are _____.

Page 3

Question 11 11. A drop of water evaporates and becomes a gas. How much does the temperature change during this process?

Question 12 12. Which of these occurs when a saucepan is placed over a hot surface?

Question 13 13. According to the ideal gas law, what happens if the pressure of a gas decreases, but the volume stays unchanged?

Question 14 14. Water has a latent heat of vaporization of 2260 J/g. If 12 grams evaporate, how much heat has it taken with it?

Question 15 15. As water heats up from 280 K to 310 K, the average kinetic energy of its molecules will:

Page 4

Question 16 16. Which of the following is NOT an example of convection in action?

Question 17 17. Which of the following is NOT an example of a real-life example or application of radiation?

Question 18 18. How would you rearrange the ideal gas equation to calculate the pressure of a gas?

Question 19 19. The ability to do work is defined as ...

Question 20 20. The latent heat of sublimation refers to which phase change?

Page 5

Question 21 21. The total energy contained within a substance is termed ...

Question 22 22. How is freezing similar to deposition?

Question 23 23. Which units of pressure are needed if you are going to use 0.0821 as your ideal gas constant?

Question 24 24. If you heat up an object that contains holes and crevices, what happens to those holes?

Question 25 25. Which of the following correctly defines conduction?

Page 6

Question 26 26. Temperature is a measure of:

Question 27 27. Which of these is NOT a correct explanation for how convection works?

Question 28 28. Which of the following best describes the definition of radiation as a form of heat transfer?

Question 29 29. Which of these is the most common form of the ideal gas equation?

Question 30 30. If the boiling point of water increases with the addition of salt, how does the time required to cook pasta change if you add a lot of salt?

Basics of Thermodynamics in Physics 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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