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Urea
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Urea, also called carbamide, is an organic compound with chemical formula CO2. This amide has two amino groups joined by a carbonyl functional group. It is thus the simplest amide of carbamic acid.
Sample of Urea
Sample of Urea
Structure of [Fe(urea)6]2+ showing intramolecular hydrogen bonds. Color code: blue = N, red = O.
Structure of [Fe(urea)6]2+ showing intramolecular hydrogen bonds. Color code: blue = N, red = O.
A plant in Bangladesh that produces urea fertilizer
A plant in Bangladesh that produces urea fertilizer
Urea plant using ammonium carbamate briquettes, Fixed Nitrogen Research Laboratory, ca. 1930
Urea plant using ammonium carbamate briquettes, Fixed Nitrogen Research Laboratory, ca. 1930
Ammonia
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Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula NH3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pung
Urea
…it is neither acidic nor alkaline. The body uses it in many processes, most notably nitrogen excretion. In the liver, it forms by the condensation of ammonia (NH3) and carbon dioxide (CO2) in the urea cycle. Urea is widely used in fertilizers as a source of nitrogen (N). In 1828, Friedrich Wöhler showed that…
A train carrying anhydrous ammonia through Bray, Ireland
A train carrying anhydrous ammonia through Bray, Ireland
Liquid ammonia bottle
Liquid ammonia bottle
Jabir ibn Hayyan wrote about ammonia in the 9th century
Jabir ibn Hayyan wrote about ammonia in the 9th century
This high-pressure ammonia reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germ
This high-pressure ammonia reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.