This page deals with topics and concepts found in chapter 5 of Chemistry by Zumdahl (6th edition)

Gases and Pressure: H:\AccChem\NewText\Chapter 5\A Little Gas Problem.mht

Avogadro's Law:  H:\AccChem\NewText\Chapter 5\avogadro.mht

Here is a gas motion simulation:  http://phet.colorado.edu/en/simulation/gas-properties

Unknown:  Refer to this:  http://jvogus.edu.glogster.com/cupric-carbonate-unknown/