A particular coal contains 2.5% sulfur by mass. When thiscoal is burned at a power plant, the sulfur is converted intosulfur dioxide gas, which is a pollutant. To reduce sulfurdioxide emissions, calcium oxide (lime) is used. The sulfurdioxide reacts with calcium oxide to form solid calciumsulfite. (a) Write the balanced chemical equation for thereaction. (b) If the coal is burned in a power plant that uses2000.0 tons of coal per day, what mass of calcium oxide is requireddaily to eliminate the sulfur dioxide? (c) How manygrams of calcium sulfite does this power plant produce daily?
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
A particular coal contains 2.5% sulfur by mass. When this
coal is burned at a power plant, the sulfur is converted into
sulfur dioxide gas, which is a pollutant. To reduce sulfur
dioxide emissions, calcium oxide (lime) is used. The sulfur
dioxide reacts with calcium oxide to form solid calcium
sulfite. (a) Write the balanced chemical equation for the
reaction. (b) If the coal is burned in a power plant that uses
2000.0 tons of coal per day, what mass of calcium oxide is required
daily to eliminate the sulfur dioxide? (c) How many
grams of calcium sulfite does this power plant produce daily?
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