Traditional Culture Encyclopedia - Weather inquiry - Is there no water in the well water because of the weather?
Is there no water in the well water because of the weather?
Well water temperature refers to the temperature of underground water temperature in natural state. It is usually a variable, which is influenced by seasonal climate, temperature, rainfall, salt volcanic movement and so on. We usually refer to the well water temperature as the normal temperature.
brief introduction
Because water molecules are highly polar molecules, they can be combined into associated molecules by hydrogen bonding. Liquid water contains not only simple water molecules, but also associated molecules. Two typical types are 2 and 3. The former is called bimolecular associated water molecules, and the density of a substance is determined by the average distance between molecules in the substance.
When the temperature is 0℃ and water is not frozen, most water molecules exist in the form of 3-association molecules. When the temperature rises to 3.98℃, water molecules mostly exist in the form of bimolecular associated water molecules, and the space occupied by molecules is relatively reduced. At this time, the density of water is the highest. If the temperature continues to rise above 3.98℃, the law of general substances expanding with heat and contracting with cold will prevail.
When the water temperature drops to 0℃, water turns into ice water and freezes, and almost all molecules are associated together to form a huge associated molecule. The arrangement of water molecules in ice is that each oxygen atom has four hydrogen atoms as its neighbors, which leads to an open structure, that is, there are large gaps in the structure of ice, so the density of ice is inversely proportional to the density of water at the same temperature.
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