Identify Gas based on Temperature and Speed of Sound

AI Thread Summary
To identify an unknown monatomic gas using its temperature and speed of sound, one can start by applying the ideal gas law to calculate the molar mass. From the molar mass, the next step is to determine the atomic mass of the gas. Resources like HyperPhysics and WebElements can assist in correlating the calculated molecular mass to specific elements. The discussion emphasizes the importance of accurately transitioning from molar mass to identifying the actual gas. Understanding these relationships is crucial for successful identification of the gas.
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So the question is, How would I go about identifying an unknown monatomic gas if you have measured its temperature and the speed of sound in the gas.

I was thinking of using the ideal gas law to determine mass of a single molecule in kilograms or its molar mass, then from there somehow calculate its atomic mass? Am I going in the right direction? If so, I'm not sure how to get from its molecular mass to its atomic mass.
 
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Use http://hyperphysics.phy-astr.gsu.edu/Hbase/sound/souspe3.html" instead...
 
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Right. I know how to calculate M. The issue is getting from M to the actual element.
 
Use http://www.webelements.com/"
 
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