Eli5: Which is the most massive gas?

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What is the material with the most massive molecules that we are able to keep at the gas state? (Without chemical reactions happening and without non elastic shape deformations of the molecules). And why that one?

Edit: I mean, in a multi-molecule system, so that molecules have to withstand bumps.

In: Chemistry

4 Answers

Anonymous 0 Comments

“Non elastic shape deformation of the molecule” means that molecule has split-ie a chemical reaction has occurred. Shaking a box or compressing the gas generally doesn’t do that to a stable gas.

In this case you need to put some constraints on the question: what is the temperature and pressure we are operating at? Is there sunlight interacting with the gas? Is the gas being stored isolated from other gases? Is the gas just running around planet earth?

This question has been asked before. Start here:

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