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Q & A: boiling water without heat

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Most recent answer: 10/22/2007
Q:
hi i am doing an experiement on water pressure. i wanted to know how you can boil water without heat.
- israel
TU, AZ
A:
If you lower the pressure enough, water will boil even at room temperature, so then you wouldn't need a special heat source. However, heat would flow into the boilng water from its surroundings. You need some sort of vacuum pump to lower the pressure enough, but you don't need a fancy one.

Mike W.

As the water boils it will cool off. Get enough of the water to boil away without introducing additional heat, and what's left may freeze!

Tom

(published on 10/22/2007)

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