The rms velocity of molecules of a gas at - 73°C and 1 atmospheric pressure is 100 m/s. The temp. of the gas is increased to 527°C and pressure is doubied. The rms velocity becomes K times. What is the value ofK?

The rms velocity of molecules of a gas at - 73°C and 1 atmospheric pressure is 100 m/s. The temp. of the gas is increased to 527°C and pressure is doubied. The rms velocity becomes K times. What is the value ofK?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 38PQ

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Concept explainers

Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.

Question

Find K

The rms velocity of molecules of a gas at - 73°C and 1 atmospheric pressure is 100 m/s.
The temp. of the gas is increased to 527°C and pressure is doubled. The rms velocity
becomes K times. What is the value of K ?

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