Stratospheric Ozone Depletion
Stratospheric Ozone Depletion
Stratospheric Ozone Depletion
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How does the polar ClOx cycle stop?<br />
• The chain reaction is stopped when the ice particles<br />
melt, releasing adsorbed HNO3 .<br />
– HNO3 + hv <br />
.<br />
OH + NO2<br />
• NO2 sequesters ClO . , which shuts down the polar<br />
ClOx chain reaction<br />
– NO2 + . ClO <br />
ClONO 2