What is the root mean square velocity, vrms, for Helium atom (He) at 66oC? Hint: How many amu does an He atom contain? 1 amu = 1.67 x 10-27 kg Boltzman's Constant, k = 1.38 x 10-23 J/K Give your answer in m/s to 4 significant figures (NO DECIMALS)

What is the root mean square velocity, vrms, for Helium atom (He) at 66oC? Hint: How many amu does an He atom contain? 1 amu = 1.67 x 10-27 kg Boltzman's Constant, k = 1.38 x 10-23 J/K Give your answer in m/s to 4 significant figures (NO DECIMALS)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 85AP: The mean flee path for helium at a certain temperature and pressure is 2.10107 m. The radius of a...

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Question

What is the root mean square velocity, v_rms, for Helium atom (He) at 66^oC?

Hint: How many amu does an He atom contain?

1 amu = 1.67 x 10^-27 kg

Boltzman's Constant, k = 1.38 x 10^-23 J/K

Give your answer in m/s to 4 significant figures (NO DECIMALS)

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