Gases

We are surrounded by gases. They are necessary for life and important for chemistry if only because chemical reactions occur very quickly in gases. We’ll be looking at how the atmosphere of Mars is different from that of Earth in … Continued

Gases are too small to see molecule by molecule.  They are a perfect example of the challenge of chemistry.  In teaching chemistry I try to make the invisible visible.  The kinetic molecular model is an example of this.  The way … Continued