sublimation
Sign in to savetransition of a substance directly from the solid to the gas state
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Sublimation is when a solid transforms directly into a gas without passing through a liquid phase in between. This process matters because it occurs in everyday situations like when ice evaporates in a freezer or mothballs disappear over time, and it's also important in industrial applications such as freeze-drying food and purifying chemicals.
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Dark green crystals of nickelocene, sublimed and freshly deposited on a cold finger Sublimation of iodine
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the intermediate liquid state. The verb form of sublimation is sublime, or less preferably, sublimate. Sublimate also refers to the product obtained by sublimation. The point at which sublimation occurs rapidly (for further details, see below) is called critical sublimation point, or simply sublimation point. Notable examples include sublimation of dry ice at room temperature and atmospheric pressure, and that of solid iodine with heating.