Carbon dioxide gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.
A U-tube containing a green liquid is connected with tubing to a stoppered flask. A syringe is attached to the flask and is used to change the pressure on the green liquid in the U-shaped tube.
CO2
Discussion:
View this and the related gas effusion videos and try to determine what properties of gases affect the pressure.
Credits:
- Design and Demonstration
- Frederick Mattes Hastings College, Hastings, NE 68902
- Video
- Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706
- Text
- Frederick Mattes Hastings College, Hastings, NE 68902
- Kelly Houston Jetzer University of Wisconsin - Madison, Madison, WI 53706
- David Phillips Wabash College, Crawfordsville, IN 47933