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Apr 18 at 23:50 history edited ACR CC BY-SA 4.0
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Apr 17 at 19:08 history became hot network question
Apr 17 at 19:08 history edited Mithoron CC BY-SA 4.0
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Apr 17 at 12:42 comment added porphyrin You can see electronic absorption spectra in the far UV part of the spectrum (< approx 200 nm) from gaseous O2 & N2. There is no ir absorption as the molecules have no dipole but do show Raman spectra.
Apr 17 at 12:29 answer added ACR timeline score: 7
Apr 17 at 9:59 comment added Poutnik Chem+Math MathJax formatting: Basics / Expressions/formulas/equations / Upright vs Italics / Math SE Mathjax tutorial // MathJax is preferred not to be used in CH SE Q titles.
Apr 17 at 9:39 comment added Buck Thorn Have you searched for "ir absorption n2 o2"? See chem.libretexts.org/Bookshelves/Analytical_Chemistry/…
Apr 17 at 8:51 history asked user142696 CC BY-SA 4.0