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- Around −269 °C (−452 °F; 4.15 K)Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.
Liquid helium is a physical state of helium, at very low temperatures if it is at standard atmospheric pressures. Liquid helium may show superfluidity . At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −269 °C (−452.20 °F; 4.15 K),.
en.wikipedia.org/wiki/Liquid_heliumhelium (He), chemical element, inert gas of Group 18 ( noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).
www.britannica.com/science/helium-chemical-elem… - People also ask
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Liquid helium - Wikipedia
Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures. Liquid helium may show superfluidity. At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −269 °C (−452.20 °F; 4.15 K). Its boiling point … See more
Helium was first liquefied on July 10, 1908, by the Dutch physicist Heike Kamerlingh Onnes at the University of Leiden in the Netherlands. … See more
• Liquid helium (in a vacuum bottle) at 4.2 K (−268.95 °C) and 1 bar (15 psi) boiling slowly.
• Lambda point transition: as the liquid is cooled down through … See more• He-3 and He-4 phase diagrams, etc.
• Helium-3 phase diagram, etc.
• Onnes's liquifaction of helium
• Kamerlingh Onnes's 1908 article, online and analyzed on BibNum Archived 2018-02-18 at the Wayback Machine [for English analysis, … See moreThe temperature required to produce liquid helium is low because of the weakness of the attractions between the helium atoms. These See more
In 1908, Kamerlingh-Onnes succeeded in liquifying a small quantity of helium. In 1923, he provided advice to the Canadian physicist John Cunningham McLennan, who was the first to … See more
Wikipedia text under CC-BY-SA license Introduction to Liquid Helium - NASA
Sep 11, 2014 · Liquid helium, like water, boils at a lower temperature when the pressure is lower. In fact, when liquid helium is kept in containers that are at atmospheric pressure, the helium temperature changes as atmospheric high …
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