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Hydrogen peroxide ( H2O2) is a nonplanar molecule with (twisted) C 2 symmetry; this was first shown by Paul-Antoine Giguère in 1950 using infrared spectroscopy. [9] [10] Although the O−O bond is a single bond, the molecule has a relatively high rotational barrier of 386 cm −1 (4.62 kJ / mol) for rotation between enantiomers via the trans ...
October 10, 2023 [8] Genre (s) Game creation system, massively multiplayer online. Mode (s) Single-player, multi-player. Roblox ( / ˈroʊblɒks / ROH-bloks) is an online game platform and game creation system developed by Roblox Corporation that allows users to program and play games created by themselves or other users.
Ronald Wilson Reagan ( / ˈreɪɡən / RAY-gən; February 6, 1911 – June 5, 2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. A member of the Republican Party, his presidency constituted the Reagan era, and he is considered one of the most prominent conservative figures in ...
The Netherlands, [j] informally Holland, is a country located in Northwestern Europe with overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Netherlands. [13] The Netherlands consists of twelve provinces; it borders Germany to the east and Belgium to the south, with a North Sea ...
Adderall is commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy (a sleep disorder). Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage, but, in humans with ADHD, long-term use of pharmaceutical amphetamines at therapeutic doses appears to improve brain ...
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April 10, 2024. ( 2024-04-10) –. present. ( present) Fallout is an American post-apocalyptic drama television series created by Graham Wagner and Geneva Robertson-Dworet for Amazon Prime Video. Based on the role-playing video game franchise created by Tim Cain and Leonard Boyarsky, [a] the series stars Ella Purnell, Aaron Moten, Kyle ...
The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. It has an absolute magnitude of +4.83, estimated to be brighter than about 85% of the stars in the Milky Way, most of which are red dwarfs. [32] [33] The Sun is a Population I, or heavy-element-rich, [b] star. [34]
Titan is one of the seven gravitationally rounded moons of Saturn and the second-most distant among them. Frequently described as a planet-like moon, Titan is 50% larger (in diameter) than Earth's Moon and 80% more massive. It is the second-largest moon in the Solar System after Jupiter's moon Ganymede, and is larger than Mercury, but only 40% ...
A factory produces items using three machines—A, B, and C—which account for 20%, 30%, and 50% of its output respectively. Of the items produced by machine A, 5% are defective; similarly, 3% of machine B's items and 1% of machine C's are defective.
