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Vor 4 Tagen · In 1832, Friedrich Wöhler and Justus von Liebig discovered and explained functional groups and radicals in relation to organic chemistry, as well as first synthesizing benzaldehyde. Liebig, a German chemist, made major contributions to agricultural and biological chemistry, and worked on the organization of organic chemistry.
Vor einem Tag · Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell.
- NH₃
- 47% w/w (0 °C), 31% w/w (25 °C), 18% w/w (50 °C)
- 17.031 g·mol−1
- −77.73 °C (−107.91 °F; 195.42 K) (Triple point at 6.060 kPa, 195.4 K)
Vor 3 Tagen · The carbon–iodine bond is a common functional group that forms part of core organic chemistry; formally, these compounds may be thought of as organic derivatives of the iodide anion. The simplest organoiodine compounds , alkyl iodides , may be synthesised by the reaction of alcohols with phosphorus triiodide ; these may then be ...
- lustrous metallic gray solid, black/violet liquid, violet gas
- group 17 (halogens)
- 53
Vor 5 Tagen · Justus, baron von Liebig (born May 12, 1803, Darmstadt, Hesse-Darmstadt [Germany]—died April 18, 1873, Munich, Bavaria) was a German chemist who made significant contributions to the analysis of organic compounds, the organization of laboratory-based chemistry education, and the application of chemistry to biology (biochemistry ...
- William H. Brock
Vor einem Tag · Die Angewandte Chemie ist eine in der Chemie weltweit führende Zeitschrift der Gesellschaft Deutscher Chemiker (GDCh). In einer einzigartigen Mischung aus hervorragenden Übersichtsartikeln, Highlight-Beiträgen, Zuschriften und Forschungsartikeln erscheinen beinahe täglich Beiträge online. Mehr erfahren > Titel-Beiträge.
Vor 4 Tagen · Molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Learn more about the properties and structures of molecules in this article.
23. Nov. 2021 · Natural products are small molecules produced naturally by any organism including primary and secondary metabolites. They include very small molecules, such as urea, and complex structures, such...
