How cfc is formed answer fast
Answers
Answer:
The densities of CFCs are higher than their corresponding alkanes. In general, the density of these compounds correlates with the number of chlorides. CFCs and HCFCs are usually produced by halogen exchange starting from chlorinated methanes and ethanes.
Explanation:
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One must consider two issues: the mechanisms for mixing between the troposphere (the bottom layer of the atmosphere) and the overlying stratosphere, and the average time that CFCs remain in the troposphere before chemical processes scrub them from the air. In very general terms, mixing within the atmosphere is caused by differences in temperature and by pressure gradients. These irregularities make some parcels of air buoyant, which results in the transport of pollutants throughout the atmosphere. Given sufficiently large variations in temperature and pressure, air parcels containing contaminants can be transported through the troposphere and into the stratosphere, in much the way that a hot air balloon can be used to loft people high above the ground and transport them from one place to another. Pollutants can reach the stratosphere, however, only if there are no major mechanisms that pull them out of the air while they are still in the troposphere.