Web• Conditions for photochemical smog formation o strong sunlight o T > ~ 20°C o Polluted air, i.e., greater than background levels of both VOCs and NOx (Note Table 3.3, text, p. 81) ... with H2O (explain why) • in darkness, concentration of OH falls to near zero (no photolysis of ozone) because OH is so reactive that it WebApr 08,2024 - Consider the following statements with respect to photochemical smog: Ozone is one of the primary components of photochemical smog. At least one volatile organic compound is needed for the formation of photochemical smog in the atmosphere. The formation of photochemical smog requires low temperature and fast …

Photochemical Smog - an overview ScienceDirect Topics

WebApr 8, 2024 · While on the other hand, photochemical smog happens due to ultraviolet radiation that reacts to pollutants that are present in the air. Common pollutants … WebPhotochemical smog is created when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. This kind of smog requires neither … bushing explained

34 Causes, Effects & Solutions for Smog - E&C

WebJun 20, 2024 · In summary, the causes of smog or photochemical fog are: Industrial activity that emits fumes with greenhouse gases and other environmental pollutants, both to the air, to the soil and to the water, since these also end up in the air. Gas emissions from vehicles that use fossil fuels. The poor management of polluting waste, both urban and … WebDec 1, 2024 · Photochemical smog appears to be initiated by nitrogen oxides that are emitted into the air as pollutants mainly from internal combustion engines. Absorbing the … WebPhotochemical form is formed by a complex series of chemical reactions involving sunlight, oxides of nitrogen, and volatile organic compounds that are present in … handh used cars