Consider nitrogen gas in a container at temperature T = 245 K. A molecule’s average kinetic energy is Kavg=32kBT. Calculate the momentum magnitude p of a nitrogen molecule having this kinetic energy. The momentum magnitude p of the nitrogen molecule is _____kg⋅m/s.

Consider nitrogen gas in a container at temperature T = 245 K. A molecule’s average kinetic energy is Kavg=32kBT. Calculate the momentum magnitude p of a nitrogen molecule having this kinetic energy. The momentum magnitude p of the nitrogen molecule is _____kg⋅m/s.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter20: Kinetic Theory Of Gases

Section: Chapter Questions

Problem 9PQ: Particles in an ideal gas of molecular oxygen (O2) have an average momentum in the x direction of...

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Concept explainers

Kinetic Theory of Gas

The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.

P-V Diagram

A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.

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