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standard conditions |
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standard conditions [′stan·dərd kən′dish·ənz]
(physics) A temperature of 0°C and a pressure of 1 atmosphere (760 torr). Also known as normal temperature and pressure (NTP); standard temperature and pressure (STP). According to the American Gas Association, a temperature of 60°F (15⁵⁄₉°C) and a pressure of 762 millimeters (30 inches) of mercury. According to the Compressed Gas Institute, a temperature of 20°C (68°F) and a pressure of 1 atmosphere. (solid-state physics) The allotropic form in which a substance most commonly occurs. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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