by Lauryn D'Amore
Published 2 years ago
Updated 2 years ago
An object that is more dense than the liquid it is inwill sink to the bottom. The icecube is less dense then the water so it will float on the top. The ice cube is more dense then the ethyl alcohol so it will sink to the bottom.
When water cools, the hydrogen bonds adjust to hold the negatively-charged oxygen atoms apart, which prevents the ice from becoming any denser. So for water, the density actually decreases along with a decrease in temperature - causing ice to be less dense than water!
So, unless my calculations are off, some cheap saltwater ice cubes will sink just as well as "heavy water" ice cubes. And if so, expect pictures a few hours after I get home! I forgot a critical point; adding salt lowers the freezing point of water! So, even after spending nearly 24 hours in the freezer, my salt-cubes were .. not quite ice.
Why do my salt-cubes sink to the bottom?
So, even after spending nearly 24 hours in the freezer, my salt-cubes were .. not quite ice. But more or less solid, and they sank right to the bottom! There's a simple solution to that though. Sugar (sucrose) has a slightly lower density, ( 1.587 g/cc) but a much higher solubility in water than salt ( source page ).
How can you make an Ice Cube sink?
Bet that you can magically make an ice cube sink. The key to the trick is heavy ice. ... Hydrogen atoms always have one proton and one electron, but only one in every 6,400 has a neutron that nearly doubles the atom's mass. ...
Sinking Ice Cubes
Want a surefire bet for your next cocktail party? ... Bet that you can magically make an ice cube sink.
2006-07-12 13:41 - General
Want a surefire bet for your next cocktail party? ... Bet that you can magically make an ice cube sink.
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