Problem: Are sublimations generally performed under reduced pressure because:the attractive intermolecular interactions between the molecules in the solid get weaker as the pressure is decreased.ORsolids do not melt when heated under reduced pressure.

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Sublimation: phase change of solid to gas


Less pressure → attractive forces gets weaker → solid molecules can start moving around

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Problem Details

Are sublimations generally performed under reduced pressure because:

the attractive intermolecular interactions between the molecules in the solid get weaker as the pressure is decreased.

OR

solids do not melt when heated under reduced pressure.

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