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What is acid rain and how does it impact ecosystems?

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Maddie Klink

on 22 April 2010

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Transcript of What is acid rain and how does it impact ecosystems?

What is acid rain and how does it impact ecosystems? By Maddie Klink Acid rain is a mixture of wet and dry deposited material from the atmosphere that contains higher than normal amounts of nitric and sulfuric acids. Contributors to acid rain are volcanoes, decaying vegetation, and man-made sources mainly from fossil fuel combustion that primarily emit Sulfur dioxide (SO2) and nitrogen oxides (NOx). Acid rain occurs when sulfur dioxide and nitrogen oxides combine with oxygen, water, and other chemicals in the atmosphere and react to form various acidic compounds. The effects are most clearly seen in aquatic environments like streams, lakes, and marshes. Acid rain mostly affects sensitive bodies of water in watersheds. The soils there have a limited ability to neutralize the acid rain. This ability is called buffering capacity. Lakes and streams become acidic when the soil and water can’t buffer the acid enough for it to become neutralized. When the buffering capacity is low, the acid rain causes the soil to release aluminum in to the water which is highly toxic to most aquatic life. Acid rain can cause slower growth, injury, or death in forests. Sulfur dioxide (SO2) and nitrogen oxides (NOx) are 2 of the
major pollutants that cause acid rain. Sulfur dioxide (SO2) and
nitrogen oxides (NOx) contribute
greatly to the visibility impairment
after acid rain. Sulfur dioxide (SO2) and nitrogen oxides (NOx) do contribute to human health problems like increased illness and early death from heart and lung disorders like asthma and bronchitis. The product is sulfuric acid.
The reactant is sulfur dioxide and hydrogen.
The elements are 2 hydrogen, 1 sulfur, and 4 oxygen atoms
The equation is balanced A catalyst is a substance which alter the rate of a chemical reaction and is chemically unchanged at the end of the reaction. No, there is not a catalyst in this reaction.

The H2SO4 causes the concentration of H+ ions to increase so the pH level of the water drops to dangrous levels. The impact that this research had on me is I was shocked at how it can kill areas of wild life and even cause harm to people. I was mostly shocked at how most of it is pollution from us. This information is the real world.
Acid rain happens and it causes problems all over the world and people should do something to stop it.
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