Part one of term paper
Acid rain is exactly what it suggests- rain that is acidic. The definition of "acid rain" is rain with a pH of below 5.6. Rain becomes acidic because of gases that dissolve in the rain. Approximately 70% of acid rain is a result of dissolved sulfur dioxide (SO2) which forms Sulfuric Acid. The remaining 30% or so comes from various Nitroge ...

Part two of term paper
... H2O(l) = HNO3(aq) + HNO2(aq) Sulfur dioxide is a colorless, prudent gas released as a by-product of combusted fossil fuels containing sulfur. What causes this is a variety of industrial processes, such as the production of iron and steel, utility factories, and crude oil processing. In iron and steel production, the smelting of metal sulfate ore produces pure metal. This causes the release of sulfur dioxide. Sulfur dioxide can also be emitted into the atmosphere ny natural disasters or means. ...