Chemistry - Chapter 5

Chemistry - Chapter 5 - Chemistry - Chapter 5 Gases...

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Chemistry - Chapter 5 24/02/2008 18:49:00 Gases 5.1 – Air Pollution Air Pollution o air is a mixture rather than a pure substance o criteria pollutants six substances commonly found throughout the country, causing  a variety of negative effects on health, the environment, and  property CO NO 2 O 3 SO 2 Particulate matter (PM) o Light energy from the Sun can initiate chemical changes through what  is known as  photochemical reaction: A chemical reaction in which light provides the energy needed  to initiate a reaction o Volatile organic chemicals  are key additional components that are  needed. Carbon-based molecules that evaporate readily; often emitted  into the atmosphere, and involved in the formation of smog Properties of Gases o Basic properties of gases: 1. Gases expand to fill the volume of any container. 2. Gases have much lower densities than solids or liquids.
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This note was uploaded on 03/26/2008 for the course CHEM 107 taught by Professor Generalchemforeng during the Spring '07 term at Texas A&M.

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Chemistry - Chapter 5 - Chemistry - Chapter 5 Gases...

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