Carbon dioxide (CO2) is a major greenhouse gas when it diffuses into the earth atmosphere. Given that at 273 K and 1 atm, the value of D for CO2 (Dco2) is 1.00 x 10-5 m2 s-1, calculate the collisional cross-section of the gas. Under the same T and P, the DN2 value of nitrogen gas is three-fold greater than the value of Dco2. Calculate the value of o for N2.

Carbon dioxide (CO2) is a major greenhouse gas when it diffuses into the earth atmosphere. Given that at 273 K and 1 atm, the value of D for CO2 (Dco2) is 1.00 x 10-5 m2 s-1, calculate the collisional cross-section of the gas. Under the same T and P, the DN2 value of nitrogen gas is three-fold greater than the value of Dco2. Calculate the value of o for N2.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 123QRT

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Kinetic-Theory of Gases

Kinetic theory of gases is the model or method which was developed in the 19th century by Maxwell and Boltzmann. This is possible as the interatomic force which is of short-range forces that are important for solids and liquids can be neglected for gases. This theory or gas law gives a molecular interpretation of the pressure and temperature of a gas and is consistent with gas laws and Avogadro’s hypothesis. This theory is very helpful to correctly explain the specific heat capacities of many gases, kinetic energy and it also explains the transport qualities such as viscosity, thermal conductivity, and diffusion with molecular parameters. As stated in the kinetic-molecular theory, the temperature of a substance or gas particle is related to the average kinetic energy of the particles of that substance. When a substance is heated, some of the absorbed energy is stored within the particles, while some of the energy increases the motion of the particles, called average kinetic energy.

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Carbon dioxide (CO2) is a major greenhouse gas when it diffuses into the earth
atmosphere. Given that at 273 K and 1 atm, the value of D for CO2 (Dco2) is 1.00 x 10-5
m2 s-1, calculate the collisional cross-section of the gas.
Under the same T and P, the DN2 value of nitrogen gas is three-fold greater than the
value of Dco2. Calculate the value of o for N2.

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