Nitric Oxide

Posted September 26th, 2011 by

Nitric oxide (also known as nitrogen monoxide) is a chemical compound with the chemical formula NO. This diatomic molecule is a free radical. This gas is an important intermediate in the chemical industry. Nitric oxide is an air pollutant produced by combustion of substances in air, like in automobile engines and fossil fuel power plants.  […]

Sulfur Dioxide

Posted September 19th, 2011 by

Sulfur dioxide is the chemical compound with the formula SO₂. It is released by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel. Further oxidation of SO₂, usually in the presence of a catalyst such […]

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