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The volatile organic compounds come from a variety of sources. A few of them are natural. Most of them are anthropogenic (come from the activities of humans).
- decay of dead organic matter
- organic gases released by plants as part of their metabolism including ethylene, α - pinene, limonene, β - pinene; mycene; ocimene; α - terpinene and isoprene
- forest fires
- fires from slash and burn agriculture
- flatulence from animals
- organic solvents used in manufacturing and in consumer goods
- processing of petrochemicals
- evaporation of organic fuels during fueling operations
- photochemical reactions of some volatile organic chemicals transforming them into other volatile organic chemicals
- generation during combustion of organic fuels such as coal, ethanol, diesel, and gasoline
- spraying of volatile pesticides
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What does VOC stand for?
It chemistry it stands for : Volatile organic compound
What are the main sources of chlorine radicals?
The main sources of chlorine radicals are reactions involving chlorine-containing compounds such as chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and volatile organic compounds (VOCs) in the atmosphere. These compounds can release chlorine radicals when broken down by sunlight or other chemical reactions.
Smog is a result of sunlight reacting with?
pollutants like nitrogen oxides and volatile organic compounds in the atmosphere. This reaction forms harmful ozone and particulate matter, leading to the formation of smog.
Is petroleum found in the atmosphere?
Petroleum is not found in the atmosphere naturally. It is a fossil fuel formed from the remains of ancient marine organisms buried in the Earth's crust. However, petroleum products, like volatile organic compounds, can be released into the atmosphere through human activities such as burning fuel or industrial processes.
Is formaldehyde a primary pollutant?
No, formaldehyde is not considered a primary pollutant. It is a secondary pollutant that forms in the atmosphere as a result of chemical reactions involving primary pollutants such as volatile organic compounds (VOCs) and nitrogen oxides.
Which two chemicals acted upon by sunlight form ozone in the atmosphere volatile organic compounds and sulfur dioxide volatile organic compounds and nitrogen dioxide chlorofluorocarbons and sulfur dio?
Volatile organic compounds and nitrogen dioxide are two chemicals that, when exposed to sunlight, can react to form ozone in the atmosphere. This process is a key component of photochemical smog formation in urban areas.
Is formed in the atmosphere when chemicals called volatile organic compounds VOCs and nitrogen dioxide NO2 are acted upon by sunlight?
Ozone is formed in the atmosphere when volatile organic compounds (VOCs) and nitrogen dioxide (NO2) react with sunlight. This process occurs in the presence of sunlight and is a key component of photochemical smog.
What causes volatile organic?
Volatile organic compounds (VOCs) are emitted by various sources, including vehicles, solvents, and industrial processes. They can contribute to air pollution, smog formation, and health problems when released into the atmosphere. VOCs are typically released during processes that involve the use of organic chemicals.
Is air a mixture of elements and compounds.?
Earth's atmosphere contains oxygen and the inert gases. All these are elements. It also contains compounds like carbon dioxide, and water as vaporous gas, It contains many organic compounds, most thought of as pollutants, such as methane, DDT, and many other volatile organic compounds:
What has the author David F LaBranche written?
David F. LaBranche has written: 'Stripping volatile organic compounds and petroleum hydrocarbons from water by tray aeration' -- subject(s): Air stripping process, Environmental aspects, Environmental aspects of Volatile organic compounds, Hazardous waste site remediation, Purification, Volatile organic compounds, Water
What does VOC stand for?
It chemistry it stands for : Volatile organic compound
What are some examples of SVOC?
Semi Volatile Organic Compounds (SVOC): Benzene, Toluene, Xilene
How do VOCs contribute to troposphereic ozone?
Volatile Organic Compounds are decomposed compounds. They burn to emit CO2 with could form ozone.
What is volatile oil?
It is oil that will evaporate at normal temperature and pressure.
Smog is a mixture of nitrogen oxide and what?
Smog is a mixture of nitrogen oxides and volatile organic compounds (VOCs) that react in the atmosphere in the presence of sunlight to form ground-level ozone, which is a major component of smog.
Are spices compounds or mixtures?
Spices are mixtures of various organic compounds such as volatile oils, resins, and pigments. These compounds contribute to the aroma, flavor, and color of the spice.
What are the main sources of chlorine radicals?
The main sources of chlorine radicals are reactions involving chlorine-containing compounds such as chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and volatile organic compounds (VOCs) in the atmosphere. These compounds can release chlorine radicals when broken down by sunlight or other chemical reactions.
