Lecture22, 3-5-08 Waves and electromagnetic radiation

Lecture22, 3-5-08 Waves and electromagnetic radiation -...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Ozone Layer Depleting Chemicals • chlorofluorocarbons (CFCs) • carbon tetrachloride (CCl 4 ) • methyl chloroform (CH 3 CCl 3 ) • hydrochloric acid (HCl) • methyl chloride (CH 3 Cl) • methyl bromide(CH 3 Br)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Fig. 1.14
Background image of page 2
CFC Reactions Deplete Ozone Layer in Stratosphere CFC Cl UV UV O 3 O 3 O 3 CFCs
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Original Research 1974: Rowland and Molina UV radiation + Cl Cl F F C C Cl F F + Cl “free radical”
Background image of page 4
Cl “Free Radicals”… Cl “free radical” O 3 ( ozone ) + O 2 ClO + ClO + O Cl “free radical” + O 2
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Catalysis of Ozone Depletion in Stratosphere O 3 (g) + O(g) 2 O 2 (g) Catalysis by Cl 2 Cl 2 (g) 2 Cl(g) Ultraviolet light Cl(g) + O 3 (g) ClO(g) + O 2 (g) ClO(g) + O(g) O 2 (g) + Cl(g) O 3 (g) + O(g) 2 O 2 (g)
Background image of page 6
Antarctic Ozone Hole
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Anyone who is not shocked about quantum theory has not understood it. - Nils Bohr
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 29

Lecture22, 3-5-08 Waves and electromagnetic radiation -...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online