Reducing SO2 Emissions One way in which SO2 is removed from the "stack" gases of coal-burning po

step 1 One way to reduce sulfur dioxide emissions is this reaction with some calcium oxide and oxygen t

Reducing SO2 Emissions One way in which SO2 is removed from...

Reducing $\mathrm{SO}_{2}$ Emissions One way in which $\mathrm{SO}_{2}$ is removed from the "stack" gases of coal-burning power plants is by spraying the gases with fine particles of solid calcium oxide suspended in $\mathrm{O}_{2}$ gas. The product of the reaction of $\mathrm{SO}_{2}$ $\mathrm{CaO},$ and $\mathrm{O}_{2}$ is calcium sulfate. a. Write a balanced chemical equation for this reaction. b. How many metric tons of calcium sulfate would be produced from each ton of $\mathrm{SO}_{2}$ that is trapped?

Reducing $\mathrm{SO}_{2}$ Emissions One way in which $\mathrm{SO}_{2}$ is removed from the "stack" gases of coal-burning power plants is by spraying the gases with fine particles of solid calcium oxide suspended in $\mathrm{O}_{2}$ gas. The product of the reaction of $\mathrm{SO}_{2}$ $\mathrm{CaO},$ and $\mathrm{O}_{2}$ is calcium sulfate.
a. Write a balanced chemical equation for this reaction.
b. How many metric tons of calcium sulfate would be produced from each ton of $\mathrm{SO}_{2}$ that is trapped?

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Key Concepts

Unit Conversions

Unit conversions are a key part of applying stoichiometry in practice. Converting between different units of mass or moles, such as converting grams to metric tons, is essential for ensuring that calculations are accurate and applicable to real-world scales.

Environmental Chemistry and Emission Control

This concept involves applying chemical principles to address environmental issues, such as reducing toxic emissions from industrial processes. It uses techniques like balanced chemical reactions and stoichiometric calculations to design processes that transform harmful pollutants into less harmful substances.

Balanced Chemical Equations

This concept involves writing chemical reactions so that the number of atoms of each element is the same on both sides of the equation, in accordance with the law of conservation of mass. It is essential for accurately representing chemical processes and for performing further quantitative calculations.

Stoichiometry

Stoichiometry uses the relationships between reactants and products in a balanced chemical equation to determine the quantities involved in a reaction. It allows one to convert between moles and masses of substances, making it vital for predicting product yields from given amounts of reactants.

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