The inert-gases tag has no wiki summary.
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Why are noble gases used for lights?
I know that neon is used in advert signs due to its inertness. However, I am not entirely sure how the inertness is exploited. I think it is because Ne being inert means that after electricity frees ...
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How were inert gases discovered?
Inert gases are chemically neutral. They don't react with anything.
So, How were they discovered?
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Zeolite-based oxygen concentrators
I wonder, what is content of output of zeolite-based pressure swing adsorption oxygen concentrators (both oxygen output, and exhaust output)?
Yes, they can produce 95% oxygen.
But what's the ...
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1answer
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How 'pure' is liquid nitrogen?
I've been doing an experiment using liquid nitrogen, and am aware that pouring it into different containers gives a chance for other gases to liquify and contaminate it; what's a good estimate for the ...
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Gas Cylinder Life
Say I have a gas cylinder filled with nitrogen to some volume at some pressure. On that cylinder I have a regulator so that I get a steady pressure out. I wish to discharge the cylinder. How many ...
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If you put a latex balloon in a vacuum, how much would it expand?
If you put a latex balloon in a vacuum, how much would it expand? And would it pop? Assume it doesn't leak.
EDIT:
Some numbers: Ambient pressure is 100 KPa, balloon is perfectly spherical with a ...
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1answer
149 views
Calculating laser wavelength/power to cause emission of light in a gas?
It's been a long, long time since I've had to worry about electron excitation levels and band gaps. Please forgive (and correct!) my terminology and misconceptions. I've also posted this in the ...
