Prentice Hall Chemistry Chapter 14: The Behavior of Gases 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. 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 2 2. 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?

Question 3 3. 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 4 4. 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 5 5. The ideal gas constant, R, can be found using which of the following equations?

Page 2

Question 6 6. Why does the volume of gas particles become important when the volume of the container is decreased?

Question 7 7. Which of these conditions is NOT considered 'non-ideal'?

Question 8 8. In the van der Waals equation, what does a represent?

Question 9 9. If a gas with a pressure of 6 atmospheres is cooled from 500 K to 250 K, then what is its final pressure?

Question 10 10. At constant pressure, what happens to the volume of a gas when the absolute temperature doubles?

Page 3

Question 11 11. If carbon dioxide molecules effuse at an average rate of 5 mol/s, at what rate would diatomic hydrogen molecules effuse in the exact same conditions?

Question 12 12. 1000 mL of a gas is cooled from 500 K to 250 K. What is its final volume?

Question 13 13. At constant temperature, what happens to the pressure when the volume is doubled?

Question 14 14. Which of the following variables is NOT included in the ideal gas equation?

Question 15 15. 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?

Page 4

Question 16 16. To use Boyle's Law, which of the following needs to remain constant?

Question 17 17. 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 18 18. 1000 mL of a gas at 15 atm is compressed to 500 mL. What is its new pressure?

Question 19 19. Oxygen is collected in a test tube over 30 degree Celsius water. The vapor pressure of the water at that temperature is about 32 mmHg. If the atmospheric pressure is 640 mmHg, then what percentage of the gas in the test tube is oxygen?

Question 20 20. A bag of chips has a volume of 2.0 L at 760 torr of pressure. What is its volume in an airplane flying at a high altitude with a pressure of 550 torr?

Page 5

Question 21 21. 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 22 22. What advantage does the van der Waals equation give us over the ideal gas law?

Question 23 23. Assuming the volume is held constant, what happens to the pressure of a gas when the absolute temperature doubles?

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. To use Charles' Law, which of the following needs to remain constant?

Page 6

Question 26 26. A gaseous mixture contains 5.0 moles of nitrogen and 10.0 moles of helium. The total pressure in the container is 3 atmospheres. What is the partial pressure of the nitrogen?

Question 27 27. A 4 L sample of gas is heated from 20 K to 200 K. What will its final volume be?

Question 28 28. Which of the following statements best represents Graham's Law?

Question 29 29. The _____ states that gas particles are constantly moving in rapid, random movement.

Question 30 30. To use Gay-Lussac's Law, which of the following needs to remain constant?

Prentice Hall Chemistry Chapter 14: The Behavior of Gases 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!

Prentice Hall Chemistry: Online Textbook Help  /  Science Courses
Support