Sublimation and Deposition
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are deposition and sublimation physical or chemical changes?
physical change
dry ice
solid form of carbon dioxide
sublimation
the phase change in which a substance changes from a solid to a gas or vapor without changing into a liquid first
is deposition endothermic or exothermic?
exothermic
deposition
when a gas or vapor changes directly into a solid without first changing to a liquid
is sublimation endothermic or exothermic?
endothermic