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Which chemical uses in refrigeration and air-conditioning system is responsible for destruction of ozone layer in the atmosphere?
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are the chemicals used in refrigeration and air-conditioning systems that are responsible for the destruction of the ozone layer in the atmosphere. When released into the air, these chemicals break down ozone molecules, leading to the thinning of the ozone layer.
Where is the ozone in the atmosphere?
The ozone in the atmosphere is good ozone. It is there because of the UV. The UV created the ozone and they are responsible for it's destruction.
How does Freon get to the upper atmosphere?
Freon is released into the atmosphere through various human activities, such as air conditioning and refrigeration systems, and then can be transported to the upper atmosphere through diffusion and turbulent mixing. Once in the upper atmosphere, Freon molecules can be broken down by sunlight, releasing chlorine atoms that can catalyze ozone destruction processes.
What does fluorocarbon mean?
A family of inert, nontoxic, and easily liquified chemicals used in refrigeration, air conditioning, packaging, insulation, or as solvents and aerosol propellants. Because CFCs are not destroyed in the lower atmosphere they drift into the upper atmosphere where their chlorine components destroy ozone.
What are the substances responsible for ozone destruction?
Chlorofluorocarbons (CFCs), halons, carbon tetrachloride, and methyl chloroform are substances that contribute to ozone destruction. These chemicals release chlorine and bromine atoms when they break down in the atmosphere, which then catalyze the breakdown of ozone molecules in the stratosphere.
What substance are thought to be main sources of chlorine radicals in the atmosphere?
The main sources of chlorine radicals in the atmosphere are man-made chlorofluorocarbons (CFCs) and other halocarbons. These compounds are released into the atmosphere from activities such as refrigeration, air conditioning, and aerosol propellant use. Once in the atmosphere, sunlight breaks down these compounds, releasing chlorine radicals that can contribute to ozone depletion.
What is the importance of refrigeration and air conditioning in protecting the ozone layer?
Refrigeration and air conditioning systems often use refrigerants that contain ozone-depleting substances. By transitioning to environmentally friendly refrigerants, such as hydrofluorocarbons (HFCs) or hydrochlorofluorocarbons (HCFCs), we can help protect the ozone layer. Proper maintenance and disposal of these systems are also crucial in preventing the release of harmful substances into the atmosphere.
How does CFC reach the stratosphere?
CFCs are released into the atmosphere from human activities like air conditioning and refrigeration. Once in the atmosphere, they are carried up into the stratosphere by wind and air circulation. In the stratosphere, CFCs can remain for many years, allowing them to break down ozone molecules through chemical reactions.
What catalyst is effective in destruction of atmosphere ozone O3?
The greenhouse gases acts as catalysts in destruction of ozone. The destruction is mainly caused by CFC's.
What is the function of evaporator in refrigeration system?
The evaporator in a refrigeration system is responsible for absorbing heat from the space being cooled. It allows the refrigerant to evaporate, drawing heat energy from the air or liquid passing over the coils. This process helps to cool the space and lower the temperature.
What is water vapor and CFC's used in?
Water vapor is naturally present in the Earth's atmosphere and plays a key role in the water cycle. CFCs (chlorofluorocarbons) are used in refrigeration, air conditioning, and aerosol propellants. However, CFCs have been found to deplete the ozone layer in the stratosphere, leading to the implementation of regulations to phase them out.
What are the function of the refrigerant in the refrigeration system?
The refrigerant in the refrigrration system absorbs large quantities of heat and releases it to the atmosphere
