Why ice floats on water?
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As it cools further and freezes into ice, it actually becomes less dense. On the other hand, most substances are most dense in their solid (frozen) state than in their liquid state. Water is different because of hydrogen bonding. ... The heavier water displaces the lighter ice, so ice floats to the top.
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An object floats if it has low density or has less mass per unit volume.
Density= Mass/Volume
So, Ice floats on water because ICE is less denser than WATER.
Most of the substances are more dense in their solid state, but water is different. This peculiarity is on account of the structure of ice.
STRUCTURE OF ICE
Each Oxygen atom is tetrahedrally surrounded by 4 other Oxygen atoms, i.e, there exists a Hydrogen bond between each pair of Oxygen atoms. This gives ice an open
As you can see, there exists a number of vacant spaces in the crystal lattice. Hence the volume increases and the density decreases. No such cage like structure is present in water (liquid).
Density= Mass/Volume
So, Ice floats on water because ICE is less denser than WATER.
Most of the substances are more dense in their solid state, but water is different. This peculiarity is on account of the structure of ice.
STRUCTURE OF ICE
Each Oxygen atom is tetrahedrally surrounded by 4 other Oxygen atoms, i.e, there exists a Hydrogen bond between each pair of Oxygen atoms. This gives ice an open
As you can see, there exists a number of vacant spaces in the crystal lattice. Hence the volume increases and the density decreases. No such cage like structure is present in water (liquid).
Anonymous:
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thanks
wlc
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