The molecules of a given mass of gas have r.m.s. velocity of 200 ms at 27°C and 1.0x105 Nm-2 pressur When the temperature and pressure of the gas are respectively, 127°C and 0.05x105 Nm-2, the rms velocity of its molecules in ms is

The molecules of a given mass of gas have r.m.s. velocity of 200 ms at 27°C and 1.0x105 Nm-2 pressur When the temperature and pressure of the gas are respectively, 127°C and 0.05x105 Nm-2, the rms velocity of its molecules in ms is

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 39PQ

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Question

The molecules of a given mass of a
gas have r.m.s. velocity of 200 ms
at 27°C and 1.0×105 Nm-2 pressure.
When the temperature and
pressure of the gas are
respectively, 127°C and 0.05x105
Nm-2, the rms velocity of its
molecules in ms¹ is
400
√√3
(a)=
100√2 (c) 100
3
3
(b)-
(d) 100-√2

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