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Science why water(ice) becomes less dense n expand?

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whymengy
post Nov 2 2009, 01:29 PM

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QUOTE(trio @ Oct 31 2009, 05:32 PM)
because below 4 celcius the bonding between the molecules changed and causing the ice to take a more open crystal structure aka more spaces in between causing less dense lu~
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Agree smile.gif when water freeze, they become well arranged in a crystal lattice, while the molecules rearrange, they actually become more spaced between each other.

 

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