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zzz [600]
3 years ago
8

Identify at least two pollutants that destroy the ozone layer. Discuss the origination of these pollutants and a plan for reduct

ion.
Chemistry
2 answers:
Lina20 [59]3 years ago
8 0

Chlorofluorocarbons (CFC) and halons are ozone depleting substances. The origin of these pollutants are propellants, refrigerants and foam blowing agents. CFC’s are replaced by the less harmful hydrochlorofluorocarbons (HCFCs). CFC-12 is replaced with HFC-134a in air conditioners. Also MeBr a fumigant used in agriculture has been completely banned.

Svetradugi [14.3K]3 years ago
5 0

The two pollutants that destroys the ozone layer are CFC (Chlorofluorocarbons) and Methyl bromide. When the sun rays hit these molecules, they releases chlorine and bromine into the atmosphere. The chlorine and bromine reacts with the ozone present in the stratosphere and thus results in the depletion.


The origination of these pollutants are refrigerators, Air conditioners and aerosol cans.

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klasskru [66]

Answer:

shell and tube type heat exchanger

Explanation:

for evaporation the shell and tube type heat exchanger is best suited.

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  • the plate type cant be used when there is high temperature and high pressure drop but shell and tube type can be used
  • in evaporation there the liquids change into vapors due to which there is sudden change in pressure and in which plate type is not used because there is chances of leakage
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The answer is <span>a total of eight valence electrons
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\qquad \qquad\huge \underline{\boxed{\sf Answer}}

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