File:Phase diagram of iodine.png
Phase_diagram_of_iodine.png (406 × 334 pixels, file size: 11 KB, MIME type: image/png)
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Summary[edit]
DescriptionPhase diagram of iodine.png |
Русский: Фазовая диаграмма иода: тройная точка 386,65 К (113,5 °С), 12,1 кПа (0,12 атм); критическая точка 819 К (546 °С), 11,7 МПа (115 атм) |
Date | |
Source | Own work |
Author | Mayyskiyysergeyy |
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Давление насыщенных паров иода вплоть до температуры плавления (113,7 °С при 1 атм в однокомпонентной закрытой системе) ниже давления его паров в тройной точке, на фазовой диаграмме ниже температуры тройной точки имеется только линия сублимации и отсутствует линия плавления, поэтому при нагревании в открытой системе при атмосферном давлении твёрдый иод возгоняется, то есть превращается сразу в пары не плавясь, и, наоборот, при охлаждении иод десублимируется и превращается в кристаллы минуя жидкое состояние. Для превращения в жидкость, то есть для плавления, кристаллы иода нагревают в закрытом сосуде.
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current | 09:34, 4 March 2020 | 406 × 334 (11 KB) | Mayyskiyysergeyy (talk | contribs) | User created page with UploadWizard |
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Vertical resolution | 37.8 dpc |