Ozone

how many oxygen does ozone have?

3 (O3)

what does ozone protect you from?

UV Rays

what happens when you go up in the stratosphere, in terms of temperature?

it gets hotter because chemical reactions are happening due to the ozone layer

how is UV bad?

sunburn, premature aging, skin cancer, eye damage (cataracts, humans + animals), suppressed immune response

thinning ozone causes climate change (T/F)

False

natural causes of ozone

volcanoes, sunspots, stratosphere winds

what happens when UV reacts with O3?

UV+O3 → O2+O

O is very reactive, and since O2 is very prevalent, it’ll react with that and reform O3

affects of O3 on the environment

affects photosynthesis, phytoplankton won’t be photosynthesizing as efficiently leading to reduced seafood, cataracts

what are CFCs

chlorofluorocarbons, not a chemical but a group

negatives of CFCs

stays in the atmosphere for a long time, chlorine breaks down ozone, which regenerated and destroyed multiple O3

what is a catalytic reaction?

regenerating itself, and one molecule can break multiple

how do CFCs rise?

convectoin currents, drifts them intot he stratosphere

how does Cl regenerate?

UVB + CFC3 → Cl + CFC2

Cl + O3 → ClO + O2

ClO + O3 → Cl + 2O2

other ozone-depleting chemicals

mainly halogens

what protocol stopped CFCs?

Montreal protocol, and replaced it with HFCs (which are 10000x more potent than CO2