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Urea, also called carbamide (because it is a diamide of carbonic acid ), is an organic compound with chemical formula CO (NH2)2. This amide has two amino groups (– NH2) joined by a carbonyl functional group (–C (=O)–). It is thus the simplest amide of carbamic acid .
550 Madison Avenue is a postmodern skyscraper on Madison Avenue between 55th Street and 56th Street in New York City. Designed by Philip Johnson and John Burgee with associate architect Simmons Architects, the building was completed in 1984. It is a 647-foot-tall (197-meter), 37-story office tower with a facade made of pink granite.
Isopropyl alcohol ( IUPAC name propan-2-ol and also called isopropanol or 2-propanol) is a colorless, flammable organic compound with a pungent alcoholic odor. [9]
YouTube is an American video-sharing website headquartered in San Bruno, California. The site indicates view counts of each uploaded video, making it possible to keep track of the most viewed, many of which continue to exist while others are no longer available on the site. Although the most-viewed were initially viral videos uploaded by ...
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the well-known ports.
Grandparents' Day. Mother's Day is a celebration honoring the mother of the family or individual, as well as motherhood, maternal bonds, and the influence of mothers in society. It is celebrated on different days in many parts of the world, most commonly in March or May. It complements similar celebrations honoring family members, such as ...
Adrenaline, also known as epinephrine, is a hormone and medication[7][8] which is involved in regulating visceral functions (e.g., respiration).[7][9] It appears as a white microcrystalline granule.[10] Adrenaline is normally produced by the adrenal glands and by a small number of neurons in the medulla oblongata.[11] It plays an essential ...
