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Chlorine breaks off from CFCs and destroys the ozone.
Ozone is a protective layer in the upper atmosphere. It is formed, when oxygen molecules absorb short wavelength ultra violet radiations from the sun. Ozone is mostly destroyed by free radicals in the atmosphere.
When compounds like CFCs (chlorofluorocarbons) and other halocarbons are released, they are dissociated by sunlight into chloride radicals. These radicals attack ozone, thereby decreasing its concentration. This results in a thinning of the ozone layer, and in polar regions, a hole.
The holes occur at the poles, and usually in Antarctica because of the extreme cold. During the winter polar stratospheric clouds form which are able to convert gases in the atmosphere into Cl (chlorine) and ClO (chlorine monoxide). When the sun arrives at the end of winter, that is the trigger to begin. This is why the hole is largest in spring.
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What gas is the main cause of the ozone hole and what is the source of this gas?
Chlorofluorocarbons (CFCs) are the main cause of the ozone hole. These gases were commonly used in refrigerants, aerosol propellants, and solvents. When released into the atmosphere, CFCs break down and release chlorine atoms, which destroy ozone molecules in the stratosphere.
CFCs once ised in many household products contributed to the creation of ozone hole true or false?
it does not cause the creation of the ozone.
The chemical that reacting with and causing the destruction of stratospheric ozone is?
Chlorofluorocarbons (CFCs) are chemicals that react with and cause the destruction of stratospheric ozone. When released into the atmosphere, CFCs break down and release chlorine atoms, which then catalyze the breakdown of ozone molecules. This depletion of ozone leads to the formation of the ozone hole in the stratosphere.
How did the hole in ozone layer occur and is it related to global warming?
The hole in the ozone layer came about because of the artificially produced gases CFCs (chlorofluorocarbons). These contained chlorine and bromine which destroyed ozone. CFCs are now banned. The ozone hole has very little to do with global warming.
Can the hole of the Ozone Layer be repaired?
The ozone hole can be repaired by curbing the use of CFCs. If there are no man made ozone destroying substances, the ozone layer will replenish itself.
What gas is the main cause of the ozone hole and what is the source of this gas?
Chlorofluorocarbons (CFCs) are the main cause of the ozone hole. These gases were commonly used in refrigerants, aerosol propellants, and solvents. When released into the atmosphere, CFCs break down and release chlorine atoms, which destroy ozone molecules in the stratosphere.
CFCs once ised in many household products contributed to the creation of ozone hole true or false?
it does not cause the creation of the ozone.
The chemical that reacting with and causing the destruction of stratospheric ozone is?
Chlorofluorocarbons (CFCs) are chemicals that react with and cause the destruction of stratospheric ozone. When released into the atmosphere, CFCs break down and release chlorine atoms, which then catalyze the breakdown of ozone molecules. This depletion of ozone leads to the formation of the ozone hole in the stratosphere.
What is meant by the hole in the ozone layer what role does CFCs have in it?
The thinning of ozone layer is called as ozone hole. CFC's are the ones that create the ozone hole.
Why is there a hole in the ozone layer?
The hole in the ozone layer is primarily caused by human activities releasing chemicals called chlorofluorocarbons (CFCs) into the atmosphere. These CFCs break down ozone molecules, leading to the thinning of the ozone layer.
How did the hole in ozone layer occur and is it related to global warming?
The hole in the ozone layer came about because of the artificially produced gases CFCs (chlorofluorocarbons). These contained chlorine and bromine which destroyed ozone. CFCs are now banned. The ozone hole has very little to do with global warming.
What can CFCs cause ozone depletion?
CFC's react with ozone to cause depletion. they decompose the ozone layer.
Why are humans causeing the hole in the ozone layer?
Humans are causing the hole in ozone layer by using CFCs. These CFC are the factors responsible for depletion of ozone.
Can the hole of the Ozone Layer be repaired?
The ozone hole can be repaired by curbing the use of CFCs. If there are no man made ozone destroying substances, the ozone layer will replenish itself.
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 cause the ozone to break down?
CFCs
What group of chemicals have contributed to the hole in the ozone layer?
CFCs, or chlorofluorocarbons.
