Carbon dioxide, which is recognized as the major contributorto global warming as a “greenhouse gas,” is formedwhen fossil fuels are combusted, as in electrical powerplants fueled by coal, oil, or natural gas. One potential wayto reduce the amount of CO2 added to the atmosphere isto store it as a compressed gas in underground formations.Consider a 1000-megawatt coal-fired power plant that producesabout 6 * 106 tons of CO2 per year. (a) Assumingideal-gas behavior, 1.00 atm, and 27 °C, calculate the volumeof CO2 produced by this power plant. (b) If the CO2 isstored underground as a liquid at 10 °C and 120 atm and adensity of 1.2 g>cm3, what volume does it possess? (c) If itis stored underground as a gas at 30 °C and 70 atm, whatvolume does it occupy?
Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
Carbon dioxide, which is recognized as the major contributor
to global warming as a “greenhouse gas,” is formed
when fossil fuels are combusted, as in electrical power
plants fueled by coal, oil, or natural gas. One potential way
to reduce the amount of CO2 added to the atmosphere is
to store it as a compressed gas in underground formations.
Consider a 1000-megawatt coal-fired power plant that produces
about 6 * 106 tons of CO2 per year. (a) Assuming
ideal-gas behavior, 1.00 atm, and 27 °C, calculate the volume
of CO2 produced by this power plant. (b) If the CO2 is
stored underground as a liquid at 10 °C and 120 atm and a
density of 1.2 g>cm3, what volume does it possess? (c) If it
is stored underground as a gas at 30 °C and 70 atm, what
volume does it occupy?
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