For each change of state, what is the opposite change of state: condensation, freezing, deposition?

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Answer 1 · 2017-07-19T05:36:22

Well, $"boiling"$ is the opposite process to $"condensation"$ ......

$"Liquid "stackrel("Boiling")rarr" Vapour"$ ;

$"Vapour "stackrel("Condensation")rarr" Liquid"$ .

And a posh word for $"boiling"$ is $"ebullition"$ (the study of boiling point, and its use in analysis is called $"ebullioscopy"$ ).

And, $"melting"$ is the opposite process to $"freezing"$ ......

And the transition solid to gas is $"sublimation"$ ....

$"Solid"$ $stackrel("sublimation")rarr" Gas"$

$"Gas"$ $stackrel("deposition")rarr" Solid"$

When a solid material is collected after sublimation (and deposition), the material (usually very pure) is called the $"sublimate"$ .