Acid rain is a growing worldwide environmental problem. Naturally, rainwater should have a pH of not less than 5.5, but in the northeastern United States, for example, the average pH of rainwater is about 4.5. The increased acidity of the rain kills plants and animals in lakes and streams, causes increased weathering and decomposition of limestone in statues and on buildings (posing a major threat to Greek antiquities), and creates problems with the production of fruit and vegetable crops. The major chemical involved is sulfur dioxide, SO2, which combines with rainwater to form sulfuric acid. Atmospheric SO2 has many sources, with volcanoes being the primary natural contributor. However, the burning of fossil fuel as the result of human industrialization has led to a significant increase in atmospheric SO2 levels. The number of moles n of SO2 released from a coal-burning power plant can be determined from the density ρ, volume V, and the molar mass mm of SO2 gas given off by the power plant. Part A f a given power plant released SO2 gas with a volume V of 1200 m3 at a density ρ of 2.86 kg/m3 at standard pressure and temperature, how many moles n of SO2 are released? The atomic weight of sulfur is 32.07 u and the atomic weight of oxygen is 16.00 u.
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
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Acid rain is a growing worldwide environmental problem. Naturally, rainwater should have a pH of not less than 5.5, but in the northeastern United States, for example, the average pH of rainwater is about 4.5. The increased acidity of the rain kills plants and animals in lakes and streams, causes increased weathering and decomposition of limestone in statues and on buildings (posing a major threat to Greek antiquities), and creates problems with the production of fruit and vegetable crops. The major chemical involved is sulfur dioxide, SO2, which combines with rainwater to form sulfuric acid. Atmospheric SO2 has many sources, with volcanoes being the primary natural contributor. However, the burning of fossil fuel as the result of human industrialization has led to a significant increase in atmospheric SO2 levels. The number of moles n of SO2 released from a coal-burning power plant can be determined from the density ρ, volume V, and the molar mass mm of SO2 gas given off by the power plant.
Part A
f a given power plant released SO2 gas with a volume V of 1200 m3 at a density ρ of 2.86 kg/m3 at standard pressure and temperature, how many moles n of SO2 are released?
The atomic weight of sulfur is 32.07 u
and the atomic weight of oxygen is 16.00 u.
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