Register to reply

Speed of sound in a gas mixture

by Rick4
Tags: mixture, sound, speed
Share this thread:
Rick4
#1
Oct16-08, 03:22 PM
P: 2
In a mixture of argon (atomic mass = 39.9 u) and neon (atomic mass = 20.2 u), the speed of sound is 363 m/s at 300K. Assume that both monatomic gases behave as ideal gases. Find the percentage of the atoms that are argon and the percentage that are neon.

I found the solution (in the attachments) but what I can't figure out is where the equation that was used in step 4 of the solution came from.

This is the equation that was used to solve the problem.
Where did it come from?

v = (v1v2(V1+ V2)1/2)/(V2v12 + V1v22)1/2
Attached Thumbnails
Step 1 & 2.jpg   Step 3 & 4.jpg   Step 5 & 6.jpg  
Phys.Org News Partner Science news on Phys.org
Hoverbike drone project for air transport takes off
Earlier Stone Age artifacts found in Northern Cape of South Africa
Study reveals new characteristics of complex oxide surfaces

Register to reply

Related Discussions
Speed of sound and sound detection lag between ears Introductory Physics Homework 5
Speed of sound in air Introductory Physics Homework 7
The speed of sound Introductory Physics Homework 13
Speed of sound Materials & Chemical Engineering 3
The speed of sound and The speed of Light General Physics 4