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- Organic chemistry (4970 bytes)
6: ...nerally agreed to have started in [[1828]] with [[Friedrich Woehler]]'s [[synthesis]] of the organic, ...
31: ...]]s - [[Aldehyde]]s - [[Alicyclic compound]]s - [[Amide]]s - [[Amine]]s - [[Carbohydrate]]s - [[Carboxyli...
47: * [[Infrared spectroscopy]]: Chiefly used to determine the...
48: ...ne the [[molecular weight]] of a compound and the fragmentation pattern. - Nitrogen (10073 bytes)
39: ...phere. It [[condensation|condenses]] at 77 K and freezes at 63 K. Liquid nitrogen is a common [[cryo...
44: ... Liquid nitrogen is produced by [[distillation]] from [[liquid air]].
53: ...air'' or ''phlogisticated air''. That there was a fraction of air that did not support [[combustion]] ...
60: ...t) and is acquired for industrial purposes by the fractional [[distillation]] of liquid air or by mech...
66: ...[[amide]] ions (NH<sub>2</sub><sup>-</sup>); both amides and [[nitride]] (N<sup>3-</sup>) salts are known...
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