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chemeurope.com's Encyclopedia of Chemistry provides articles for 64,557 entries from chemistry, pharmaceutics and material sciences as well as related scientific disciplines.

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Trade and use of saffron (大阪府), Kansai , Honshū , Japan . Saffron has been used as a seasoning , fragrance , dye , and medicine for more than 3,000 years.. The world's most expensive spice by weight, saffron consists of stigmas plucked from the saffron crocus (Crocus sativus). The resulting more

Black pepper

Black pepper Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae , cultivated for its fruit , which is usually dried and used as a spice and seasoning . The same fruit is also used to produce white pepper, red/pink pepper, and green pepper. Black pepper is native to South more

Equipartition theorem

Equipartition theorem peptide . The jittery motion is random and complex, and the energy of any particular atom can fluctuate wildly. Nevertheless, the equipartition theorem allows the average kinetic energy of each atom to be computed, as well as the average potential energies of many vibrationa more

Diamond

Diamond Diamond is an allotrope of carbon . It is the hardest known natural material and the third-hardest known material after aggregated diamond nanorods and ultrahard fullerite . Its hardness and high dispersion of light make it useful for industrial applications and jewelry . Diamon more

Xenon

Xenon Xenon ( in the UK, in the US) is a chemical element that has the symbol Xe and atomic number 54. A colorless, heavy, odorless noble gas , xenon occurs in the earth's atmosphere in trace amounts. Although generally unreactive, xenon can undergo a few chemical reaction s such as the forma more

Chemical elements