What is a change in phase from a solid directly to a gas?

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What is a change in phase from a solid directly to a gas?

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Answer 1 · 2017-01-21T20:03:01

$"Sublimation..............."$

Explanation:

Sublimation involves the transition $"solid"$ $rarr$ $"gas"$ WITHOUT the intermediacy of the liquid phase. At normal (atmospheric) pressure, a few substances sublime, most notably dry ice, whose sublimation temperature is $-78$ $""^@C$ .

The reverse of this transition is called $"deposition"$ .

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What is a change in phase from a solid directly to a gas?

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