The behavior of water when subjected to temperature change is that the volume of water will increase if cooled from 3° to 2°C.
The chemical compound water, which can exist in the gaseous, liquid, and solid phases, is made up of the elements hydrogen and oxygen in the ratio 2: 1 i.e. 2 atoms of hydrogen and 1 atom of oxygen.
In general
Volume of water depends on the temperature and is directly proportional to it.
Thus, as the temperature rises, the molecules of water gain energy and move more quickly, which causes the molecules to spread apart and increase the volume of the liquid.
When water cools, it initially contracts (decreases in volume) until a temperature of about four degrees Celsius (4°C).
But at temperatures below 4.0° C, water undergoes an abnormal expansion that causes its volume to start to rise.
This ability is related to the formation of hexagonal structures, which take up a lot of room and increase the volume of the water, as a result of strong hydrogen bonding between water molecules at a lower temperature.
Hence, the volume of water will increase if cooled from 3° to 2°C
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