Sulfur Dioxide (SO2) is released by fossil fuels when they undergo combustion. Power plants and other fossil fuel burning industrial areas release various forms of nitrous oxides (Nox). These two chemical compounds combine with the water in the atmosphere to form what is known as acid rain. The main reason that has prompted legislation of industrial emissions from governments is because of the negative effects they can have on the environment. Acid rain is harmful to the environment because of it's low pH.
The pollutants go up to the atmosphere and when it rains, it brings the pollution down with it. Sulfur dioxide and nitrogen oxide are the gases that form the acid rain. When these gases mix with moisture it can make rain, snow, hail, or even fog. The scientific term for acid rain is acid deposition which means when the acid is taken from the air and is deposited on the earth. Major industries, coal burning factories, power plants and automobile engines are the main sources of
Nitrogen oxide (NOx) Nitrogen oxides (NOx) especially nitrogen dioxide are emitted from high temperature combustion. Nitrogen dioxide is the chemical compound with the formula NO2. It is one of the several nitrogen oxides. This reddish-brown toxic gas has a characteristic sharp, biting odor. NO2 is one of the most prominent air pollutants.
When these materials are released into the atmosphere, they undergo various physical and chemical changes. The most important chemical reaction is the transformation of the sulfur and nitrogen oxides into acids. Sulfuric acid and nitric acid mix in with clouds in the atmosphere, which causes a change in their chemical composition. The acids then fall back to earth in the form of precipitation. When this takes place, it is called acid rain.
Acid rain is formed when sulfur dioxide and various nitrogen oxides combine with atmospheric moisture. Sulfur dioxide is produced by the emissions of electric utilities, industrial companies, commercial and residential heating, smelters and diesel engines. Sulfur dioxide produces sulfuric acid, which will produce acid rain. Nitrogen oxides are produced mostly by transportation (cars, trucks, planes, etc.). Nitrogen oxides produce nitric acid, which will also produce acid rain.
Umar Farooq Professor Gennifer Marconette English Composition I 7 April 2014 In 1872 a scientist English Robert Angus Smith observed that acidic perception could damage the plants and materials and he coined a term “acid rain” for it. Acid rain wasn’t considers threat to environment until 1970 scientist observed rise of acid levels in streams and lakes. Acid rain is caused when chemical compounds like sulfur dioxide and nitrogen dioxide are released. They go up into the atmosphere and react and mix with oxygen, water and other chemicals in the air and form acidic pollutants. Both sulfur and nitrogen dioxide are water soluble and can easily carry with wind and become part of rain.
Acid rain forms from these gases when they react with water, oxygen and other gases in the atmosphere to form highly acidic compounds. This results in solutions of nitric and sulfuric acid. Acid rain is a mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acid. There are many forms of acid rain. Wet deposition and dry deposition are two forms of acid rain.
The burning of fossil fuels is the main cause of acid rain. When oil and coal are burned they create sulfur dioxide, nitric oxide, and nitrogen dioxide. (" Acid Rain | US EPA") The mixture of all the chemicals and heavy winds blow the compounds across many borders. Acid rain is measured by using the pH scale. The pH scale is the measure of how acidic or basic a substance is, which ranges from
The main chemicals in air pollution that create acid rain are sulfur dioxide and nitrogen oxides. Acid rain usually forms high in the clouds where sulfur dioxide and nitrogen oxides react with water, oxygen, and oxidants. This forms a mild solution of sulfuric acid and nitric acid. Sunlight increases the rate of most of these reactions. Rainwater, snow, fog, and other forms of precipitation containing those mild solutions of sulfuric and nitric acids fall to the earth as acid rain.
The zeros in the red and yellow diamonds indicate that sulfur dioxide will not burn under typical fire conditions and is normally stable. Sources: http://cameochemicals.noaa.gov/ch... ... middle of paper ... ... it. The only real way to reduce acid rain is to reduce the amount of sulfur dioxide and nitrogen oxides produced. This can be achieved by using alternative energy sources. The EPA (Environmental Protection Agency) created policies about sulfur dioxide and nitrogen oxides to reduce effects of acid rain.