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Very possible, just imagine, if the diameter of the bubble is 3um, then, what will be the pressure of the gas inside the bubble when we consider the surface tension? then, we can make an estimation of the saturated partial pressure of water, then what will be the density of the water vapor at that high partial pressure....., very possible, the density of the bubble can be higher than water, it will sink surely.
4Â¥2007-04-05 10:09:58
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