Does a compound exist that can phase shift between gas and solid/liquid when electricity is applied?
This is for a story line that I would prefer to be based on known science as much as possible.
Is there a known compound that can phase shift from gas to solid or liquid, or the other way around, in room temperature, when a relatively small amount of electricity is applied?
With "a relatively small amount" I am thinking of something like what can easily be obtained e.g. from an automobile battery.
Alternatively is there any thoughts on what such a compound could be based on? (In this case, instead of naming a compound I could use some description of how it was created.)
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1 answer
Without knowing why you want this, it's hard to give a proper answer. As Will mentioned, direct electric boiling is possible, and indirect condensation is also possible. It's incredibly inefficient and very slow.
Playing with the laws of physics gives you a much more rapid option, but with significantly more equipment needed.
Water turns to vapor when it boils, but ALSO at lower pressures. (Technically, it just boils at lower temperatures at lower pressures). So, you build a container that can change its interior volume. Put the water in when its "compressed" and then have it decompress. With enough of a pressure difference, the water will boil into vapor. Recompress, and it'll condense back into a liquid.
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