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

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1 Answer
anor277
Jan 21, 2017

#"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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