Part C For Kr at 273 K at 1 atm, k = 0.0087 J.K¹m¹s¹. Determine the collisional cross section of Kr. Express your answer to two significant figures and include the appropriate units. μÅ www ? σ= Value Units Submit Request Answer

Part C For Kr at 273 K at 1 atm, k = 0.0087 J.K¹m¹s¹. Determine the collisional cross section of Kr. Express your answer to two significant figures and include the appropriate units. μÅ www ? σ= Value Units Submit Request Answer

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter8: Properties Of Gases

Section8.7: Kinetic-molecular Theory And The Velocities Of Gas Molecules

Problem 8.17E

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Concept explainers

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.

Question

The thermal conductivity of Kr is roughly half that of Ar under
identical pressure and temperature conditions. Both gases are
monatomic such that Cv,m = 3/2 R.

Part C
For Kr at 273 K at 1 atm, k = 0.0087 J.K¹.m¹.s¹. Determine the collisional cross section of Kr.
Express your answer to two significant figures and include the appropriate units.
μÅ
wwwww
?
0 =
Value
Units
Submit Request Answer
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