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Earthy Earthy
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Posts: 1022
9 years ago
A fire extinguisher containing compressed CO2 is used to put out a fire. In spite of being close to the flames, the firefighter notices a white layer of "frost" forming on the exterior of the fire extinguisher can. What's going on?
A) The gas in the extinguisher is expanding when released, cooling adiabatically.
B) The gas in the extinguisher is cooling under higher pressure.
C) The exterior temperature must be dropping.
D) The fire is pulling heat from the surrounding air.
Textbook 
Foundations of Earth Science

Foundations of Earth Science


Edition: 7th
Authors:
Read 599 times
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Richy271Richy271
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Posts: 2376
9 years ago
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Earthy Author
wrote...
9 years ago
Quick and to the point. Thank you.
wrote...
9 years ago
You're very welcome, but don't forget to mark it solved!
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