What is the direct vaporization of a solid without passing through its liquid state called?

1 Answer
anor277
Nov 3, 2016

"Sublimation"

Explanation:

When a material sublimes, it undergoes the transition from the solid state directly to the gaseous state. A common material that sublimes at normal pressures is "dry ice", i.e. CO_2(g). In my very young days, I can remember ice cream sellers using blocks of dry ice to cool their ice creams; of course when the dry ice turned to gas it would not soak their stock.

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