anomolous expansion
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when we decrease the temperature of water hydrogen bonds become more stronger and on 0 degree Celsius when water changes to Ice cages are formed between the molecules due to which no more water molecule can enter between the cages and hence the mass in unit volume of water decreases due to which density of water(ice at0°C) decreases
As we slightly increase the temperature some hydrogen bonds break and now the water molecules can enter the free space as h-bond becomes weaker and cages expand so the mass per unit volume increases and also the density which is max. at 4°C
After 4°C more bonds break and liquid start expanding and hence density start decreasing....
As we slightly increase the temperature some hydrogen bonds break and now the water molecules can enter the free space as h-bond becomes weaker and cages expand so the mass per unit volume increases and also the density which is max. at 4°C
After 4°C more bonds break and liquid start expanding and hence density start decreasing....
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The expansion of water at 4degree celcious to 0degree celcious is called as anomalous expansion
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