15.5 Why do Gases Dissolve in Water? (Video)
- Page ID
- 342526
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Video Topics
Water (H2O) is a polar molecule while many gases (O2 & N2) are nonpolar. Because gases do dissolve in water, there must be some kind of intermolecular force between them. The permanent dipole in water causes polarization in the O2 molecule. As the negative side of a water molecule approaches the O2 molecule, the electrons surrounding the O2 molecule are pushed away creating an induced dipole. Now there is an interaction between the negative side of the water molecule and the positive side of the O2 molecule. This is called a Dipole-Induced Dipole intermolecular force.
Link to Video
Why do Gases Dissolve in Water?: https://youtu.be/_pRlZXcCQ64
Attribution
-
Prof. Steven Farmer (Sonoma State University)