Gas Laws 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. Which of the following is TRUE about ideal gas particles?

Question 2 2. Which of the following is TRUE about most gases?

Question 3 3. If you want to find the volume of a gas using the ideal gas law, which values do you need to know?

Question 4 4. Which of these is the most common form of the ideal gas equation?

Question 5 5. A balloon has an initial volume of 150 mL at 25 degrees Celsius. If the temperature is increased to 75 degrees Celsius, what is the final volume?

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Question 6 6. 1000 mL of a gas is cooled from 500 K to 250 K. What is its final volume?

Question 7 7. A sample of hydrogen has a volume of 25 L under a pressure of 5 atm. What will the pressure of this gas be if the volume were decreased to 5 L?

Question 8 8. At constant temperature, what happens to the pressure when the volume is doubled?

Question 9 9. Which of the following is the best definition for Torr?

Question 10 10. If gas is added to a container which has a fixed volume, what happens to the pressure in that container?

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Question 11 11. A 4 L sample of gas is heated from 20 K to 200 K. Its initial pressure was 60 torr. What is its final pressure?

Question 12 12. Assuming the volume is held constant, what happens to the pressure of a gas when the absolute temperature doubles?

Question 13 13. If a 22.4 L container is holding 1.00 mole of a gas at 273 kelvins, then what is its pressure?

Question 14 14. Which units of pressure are needed if you are going to use 0.0821 as your ideal gas constant?

Question 15 15. How do you calculate a and b in the van der Waals equation?

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Question 16 16. Why do a and b get multiplied by n in the van der Waals equation?

Question 17 17. Which Celsius temperature is equal to 310 K?

Question 18 18. Absolute zero is:

Question 19 19. Why are the van der Waals constants a and b different for each gas?

Question 20 20. What advantage does the van der Waals equation give us over the ideal gas law?

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Question 21 21. Gas particles have random _____.

Question 22 22. What does the Maxwell-Boltzmann curve tell us?

Question 23 23. Mark has unknowingly driven over a very large nail when exiting his work parking lot. He has a long commute home, and by the time he arrives he will have a flat tire. The air that is slowly escaping from the hole in his tire is an example of _____.

Question 24 24. Dana has placed a few drops of food coloring in a mixture of water and vinegar to dye hard-boiled eggs with her daughter in preparation for Easter. The food coloring changing the color of the water is an example of _____.

Question 25 25. A container holds a mixture of two different gases. The oxygen in a container exerts 80 mmHg of pressure on the inside of the container. The total pressure inside the container is 120 mmHg. What is the pressure of the other gas in the container?

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Question 26 26. A sealed vessel contains 0.5 moles of oxygen, 0.1 moles of carbon dioxide, and 0.4 moles of nitrogen gas. The total pressure of the gas mixture is 5 atmospheres. What is the partial pressure of the carbon dioxide?

Question 27 27. What volume is occupied by 15.0 moles of carbon dioxide gas at standard temperature and pressure?

Question 28 28. Standard temperature and standard pressure refer to:

Question 29 29. According to the kinetic molecular theory, temperature is directly proportional to _____.

Question 30 30. How would you rearrange the ideal gas equation to calculate the pressure of a gas?

Gas Laws 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!

FTCE Middle Grades General Science 5-9 (004): Test Practice & Study Guide  /  Science Courses
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