/u/veenell's posts in /r/askscience

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is a container of compressed air more bouyant in water, than the same container filled with normal air at sea level pressure, assuming both containers are the same volume? if not, what determines how bouyant a sealed air filled container is?

19 upvotes

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is there any material strong enough to prevent freezing water from expanding, and if you could freeze water without allowing it to expand, what happens to it?

1 upvotes

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if Earth's atmosphere disappeared in the blink of an eye, what would happen to the ocean? would the lack of pressure cause it to boil away, or would the lack of heat cause it to freeze?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
is a container of compressed air more bouyant in water, than the same container filled with normal air at sea level pressure, assuming both containers are the same volume? if not, what determines how bouyant a sealed air filled container is?	19
is there any material strong enough to prevent freezing water from expanding, and if you could freeze water without allowing it to expand, what happens to it?	1
if Earth's atmosphere disappeared in the blink of an eye, what would happen to the ocean? would the lack of pressure cause it to boil away, or would the lack of heat cause it to freeze?	1