inert gas

Aren't you the only person who would call Nitrogen an Inert Gas?

" Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78.08% percent of Earth's atmosphere. "

In the context of use inside a light bulb, nitrogen is inert.

Other gasses, like the halogens, are not.

Now - go back to your kiddie p*rn sites and wank yourself to death like a good little autistic TROLL.

....... Phil

Nitrogen is NOT an inert gas.

"Vacuum" is a word that is not very well defined in public use.

sci.electronics.basics is NOT a place to ridicule people who ask beginner questions.

"Troll" is a word that has no meaning. It is commonly used on newsgroups to describe any disagreement or discussion or single post. It is used by people who have run out of legitimate points.

Earth's

What don't you understand about "about"?

John

Maybe you should have said ' about about ' ?

Graham

nitric acid, cyanide, ammonia, urea...

Bye. Jasen

"jasen"

........ Phil

Any vacuum created by man is a partial vacuum...I dont think a pure vacuum is attainable...is it ???

I mean Im no physics genius like most of you all on this electronics group but it has always been my understanding that when someone talks about a "vacuum" in any sense unless its theoretically.....that they are talking about a partial vacuum.

"Inert" in this context refers to the reactivity of a given material in the specific application in question. In the context of the original question - the gas used to "fill" light bulbs and such - nitrogen IS essentially inert. Not as good as argon, perhaps, but it would serve the purpose and that's all the original poster was asking about. Then we got off on this utterly meaningless thread which served no purpose other than allowing a number of people to demonstrate that they knew what "noble gas" meant, and presumably to get whatever ego boost they needed from showing off that knowledge.

Nitrogen is used in many industrial applications because it IS, in a practical sense, "inert" in those applications (i.e., far, far less problematic than oxygen or normal air in those cases). That's all that was ever intended here, so what say we all let it drop rather than continuing to play these idiotic sophomore-chem-class word games, OK?

Bob M.

Dry nitrogen gas filling is very widely used indeed where an essentially inert atmosphere is required.

Graham

If Phil Allison is going to use a chemical term incorrectly, then Phil Allison is going to get corrected. This applies mainly to Phil Allison if you know what I mean (he ain't Mr. Sweetness). If he sticks to terms he made up (like Fuckwit), that only he and the dingoes know the meaning of, then he will be safe from criticism.

in·ert P Pronunciation Key (n-ûrt) adj. Unable to move or act. Sluggish in action or motion; lethargic. See Synonyms at inactive. Chemistry. Not readily reactive with other elements; forming few or no chemical compounds. Having no pharmacologic or therapeutic action.

Phil was correct.

Graham

Hey, check out tappie's schematic on a.b.s.e!

John

Hey, check out Larkins schematic on a.b.s.e!

chemical

Phil was not correct. The dictionary definitions do not apply, because Phil used the words in a phrase "inert gas" that CHEMISTS use as a substitute for the royalist phrase "noble gas". No matter what the words mean individually, the phrase means Argon, Krypton, etc.. Furthermore, even using the dictionary definition, nitrogen is reacts with many elements to form many compounds. That FACT was illustrated in my second post by a "short list".

chemical

Bollocks. That's why the noble gases are called NOBLE !

The definition includes 'not readily reactice' which suits nitrogen just fine.

" Nitrogen is a.......... mostly inert diatomic gas "

Graham

Well, Donna was complaining about the lack of schematics, and I had one just to the left of my keyboard, so I donated it. The difference between our schematics, of course, is that mine works and yours doesn't.

But I admit that the effective impedance that the SRD sees is too high, so the RC time constant will mask the true snap speed. I have a better version now. I often draw schematics many times, and toss all but the last, until I get it right. So I'm always scribbling little circuits, which my wife, bless her heart, thinks is "adorable."

John

Nitrogen ATOMS aren't very inert, but N2 molecules (as found in the air) are inert enough for many applications. (For example, preventing oxidation when heat-treating metals.)

The statement (from Tim Williams) was about which inert gas is cheapest, not which is the most inert.

That being said, I don't know how reactive N2 is with tungsten at

Mark

p.s. Don't let Phil's gruff writing style fool you. If you ignore the abusive language, you'll often find he has something worthwhile to say.

Lots of engineers consider N2 to be inert, because it is non-reactive in many situations. It is often the gas of choice when an "inert atmosphere" is required, because it is cheaper than the Noble Gases or any other inert gas.

Don't automatically assume that the chemists have the definitive say in these matters.

Mark