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CFC's are ozone depleting substances. HCFC's are an alternative to CFC's.

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Q: What class of molecules has CFCs replace?
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Related questions

How do CFCs affect animals?

They don't. CFCs (chlorofluorocarbons) are non-toxic to humans and animals. They only kill ozone molecules.


Do CFCs strengthen the ozone layer?

No, the chlorine and other chemicals in CFCs (chlorofluorocarbons) destroy the ozone molecules and weaken the ozone layer.


What human-made chemicals cause the ozone to deplete?

The human made chemicals that destroy the ozone are CFCs. These CFCs are ones that decompose the ozone molecules.


What does cfc's do to the ozone molecules?

CFCs convert ozone to oxygen. They are responsible for ozone layer depletion.


What can companies that now produce CFCs do to replace money lost when CFCs are banned?

Make something else BUT this time check that the products they are making are not harmful. They aught also to pay towards the environmental harm that CFCs have caused.


What causes the ozone hole to expand?

As the CFCs are carried to Antarctica there is a big ozone hole. Chlorine and bromine atoms from CFCs (chlorofluorocarbons) separate and destroy ozone molecules, but remain active for several years continuing their destruction. So if more CFCs will be produced in the world more CFCs will be carried to Antarctica by the polar winds and more depletion and the rate of depletion will exceed the rate of formation of ozone molecules resulting in the expansion of ozone hole over Antarctica.


What are 3 sources of the CFCs that destroy ozone molecules?

3 sources of CFC's are:Aerosol SpraysRefrigeratorsAir conditioners.


How do CFCs destroy atmospheric molecules?

See "What is causing the depletion of the ozone layer?" in the "Related questions" section below.


Do chlorofluorocarbons make the ozone layer thicker?

No. The opposite. Chlorine in chlorofluorocarbons (CFCs) destroys the ozone molecules. CFCs also remain in the atmosphere for up to 70 years. That is why, even though there are no more CFCs being emitted, it will take till 2060 for the ozone layer to repair itself completely.


What happens to CFCs in the upper atmosphere that allow them to react with ozone?

When the CFCs go up to the stratosphere the react with strong UV light. This breaks the C-Cl bonds of the compound so therefore the Cl get removed from the reaction. This is a danger to the ozone molecules in our atmosphere because the Cl molecules react with the hydrogen molecules in the ozone compound this destroys the ozone compound and releases more oxygen molecules in to the upper atmosphere.


What depletes ozone in stratosphere?

The depletion of ozone in stratosphere is due to the continues usage of CFCs. These cfc contribute to the depletion of ozone molecules.


How do you spell Chloroflourocarbons?

From the presence of the element fluorine, the molecules are spelled chlorofluorocarbons (CFCs).(*fluorine shares this "UO" spelling with the words fluorescent and fluorescence)