Adapted by Nelson Nuñez-Rodriguez
Conditions of Use:
Unless otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Chapters derived from:
By David W. Ball
Attribution-NonCommercial-ShareAlike
CC BY-NC-SA
Click on the printer icon at the bottom of the screen
Make sure that your printout includes all content from the page. If it doesn't, try opening this guide in a different browser and printing from there (sometimes Internet Explorer works better, sometimes Chrome, sometimes Firefox, etc.).
If the above process produces printouts with errors or overlapping text or images, try this method:
Click here to return to Chapter 9
| QUESTION | ANSWER |
|
1. Define pressure. What causes it? |
1. Pressure is force per unit area. It is caused by gas particles hitting the walls of its container. |
|
3. If a force of 16.7 N is pressed against an area of 2.44 m2, what is the pressure in pascals? |
3. 6.84 Pa |
|
5. Explain why the original definition of atmosphere did not work well. |
5. Because the atmospheric pressure at sea level is variable, it is not a consistent unit of pressure. |
|
7. How many atmospheres are in 889 mmHg? |
7. 1.17 atm |
|
9. How many torr are in 2.443 atm? |
9. 1,857 torr |
|
11. How many millimeters of mercury are in 334 torr? |
11. 334 mmHg |
|
13. How many pascals are there in 1 torr? |
13. 133 Pa |