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

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Which class ofchemical is linked to the decrease in the amount of ozone in the upper atmosphere of the earth?

Chlorofluorocarbons (CFCs) are the main class of chemicals linked to the decrease in the amount of ozone in the upper atmosphere of the earth. When CFCs are released into the atmosphere, they break down and release chlorine, which then contributes to the destruction of 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.


Can rain demolish CFCs?

Rain can help remove CFCs from the atmosphere by acting as a natural cleanser. When CFC molecules are exposed to rain, they can react with water and break down into less harmful compounds that are eventually washed out of the atmosphere.


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 does cfc's do to the ozone molecules?

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


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.


What human-made chemicals cause the ozone to deplete?

Chlorofluorocarbons (CFCs), halons, and certain types of hydrochlorofluorocarbons (HCFCs) are human-made chemicals that cause ozone depletion. When these substances are released into the atmosphere, they break down and release chlorine and bromine atoms, which then destroy ozone molecules in the stratosphere.


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.


Why do chlorofluorocarbons (CFCs) deplete the ozone layer?

Chlorofluorocarbons (CFCs) deplete the ozone layer because when they are released into the atmosphere, they break down and release chlorine atoms. These chlorine atoms then react with ozone molecules in the stratosphere, causing the ozone molecules to break apart, leading to ozone depletion.


How do CFCs destroy atmospheric molecules?

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


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.