Water has maximum density at

The Density of Water can be defined as the weight of the water per its unit volume, which depends on the temperature of the water.

The maximum density of water is at 4°C as there are two opposite effects that are in balance.  The density of ice is less than liquid water, so it floats. Upon freezing, the ice density decreases by about 9%.

Reason for density of water at different temperature

  • When the water is in the form of ice, there is a lot of empty space in the crystal lattice. This structure starts to collapse when the ice starts to melt. The water molecules move further apart when the temperature increases as the density decrease.
  • At 0°C, water contains ice-clusters which are free to move. There are empty spaces in these clusters making the density reduce.
  • When the water starts to cool, there is a decrease in warm water temperature, resulting in an increase in density. At 4°C, the clusters start to form resulting in a maximum density of water.

check out the video given below to know about the journey of water

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