Answered: of the Oxygen and 4. a) What are the…

of the Oxygen and 4. a) What are the rms-speeds V, rms the Nitrogen molecules at 20 degrees Celsius? = 28g/mol M.=32g/mol, M 02 %3D %3D

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 20PQ

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Question

Can you please answer number 4 and show all of the steps to the solutions

of the Oxygen and
4. a) What are the rms-speeds V,
rms
the Nitrogen molecules at 20 degrees Celsius?
= 28g/mol
M.=32g/mol, M
02
%3D
%3D

Expert Solution

Step 1

Given

M_O₂ = 32g/mol

M_N₂ = 28g/mol

T = 20 $°$ C = 273.15+20 =293.15

R = 8.3 J⋅K⁻¹⋅mol⁻¹

Formula to find V_rmsis

V_rms = $\sqrt{\frac{3 R T}{m}}$

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