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On the basis of hydrogen bond explain the anomalous behaviour of water when it freezes?
Anomalous expansion of water takes place because when water is heated to 277K hydrogen bonds are formed. Though ice is supposed to expand when it is converted into water, this gradual formation of hydrogen bonds causes it to contract, i.e. the contraction caused due to the formation of hydrogen bonds is greater than the actual expansion of ice. At 277K water has the maximum density because all the hydrogen bonds are formed by 277K beyond which water obeys the kinetic theory of molecules, an increase in volume when heated and the reverse when cooled. The same thing happens in the reverse when water is cooled beyond 277K.
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What are disadvantages of anomalous expansion of water?
The anomalous expansion of water refers to the unique property where water expands as it cools below 4 degrees Celsius before reaching its freezing point. One disadvantage of this anomaly is that it can lead to the bursting of pipes and containers as the water inside them expands upon cooling. Additionally, this property can disrupt ecosystems by affecting aquatic life that relies on stable water temperatures. Lastly, anomalous expansion can complicate engineering processes that involve water, such as cooling systems or transportation of liquids in cold environments.
Explain the anomalous expansion of water?
Anomalous expansion of water takes place because when water is heated to 277K hydrogen bonds are formed. Though ice is supposed to expand when it is converted into water, this gradual formation of hydrogen bonds causes it to contract, i.e. the contraction caused due to the formation of hydrogen bonds is greater than the actual expansion of ice. At 277K water has the maximum density because all the hydrogen bonds are formed by 277K beyond which water obeys the kinetic theory of molecules, an increase in volume when heated and the reverse when cooled. The same thing happens in the reverse when water is cooled beyond 277K.
What are the more advantages of anomalous expansion of water?
The anomalous expansion of water refers to its unique property of expanding when it freezes, unlike most other substances that contract. This property is advantageous in nature as it allows ice to float on water, insulating the liquid below and providing a habitat for aquatic life during winter. Additionally, this expansion helps prevent bodies of water from freezing solid, which would be detrimental to the organisms living in them.
What degrees freezes at Celsius?
Water freezes at zero degrees Celsius under normal atmospheric conditions.
What energy changes occur when water freezes?
When water freezes, it will go through an exothermic reaction, which is a chemical reaction that releases energy in the form of light or heat. It is expressed in a chemical equation as: reactants --> products + energy
What is anomalous behavior of watar?
The anomalous behavior of water refers to the expansion of water when it freezes instead of contracting.
What is the name of the law of chemistry or physics that makes water expand when it freezes?
the law of anomalous expansion of water.
How is a lake or river that freezes over helpful to the organisms in the water?
because its deep waters never freezes due anomalous behavior of water and they are being protected
How is a lake or river that freezes ver helpful to the organisms in the water?
Because its deep waters never freeze due anomalous behavior of water
What type of bonds cause water to expand when it freezes?
Hydrogen bonds cause water to expand when it freezes. As water cools and freezes, the hydrogen bonds between water molecules form a crystalline structure with a more open arrangement than in its liquid state, causing it to expand and become less dense.
When water freezes to form ice what connect the water molecules?
hydrogen bonds
When water freezes there is an increase in what type of bonds?
When water freezes, there is an increase in hydrogen bonds. As the temperature decreases, water molecules come closer together, forming a crystalline structure in which hydrogen bonds become more stable and stronger, leading to the solidification of water into ice.
What is it called when a solid is less dense than its liquid?
This is called anomalous expansion or the anomaly of water. It means that when water freezes, its solid form (ice) is less dense than its liquid form, which is why ice cubes float in water.
How does anomalous expansion of water help aquatic organisms in cold climate?
Aquatic life is benefited by the anomalous expansion of water because the water freezes top to bottom, not bottom to top. If it froze bottom to top, then the aquatic life would be pushed up, up, up, towards the surface of the water. Since it goes top to bottom, and the water at the bottom remains at 277K, the Aquatic life can survive there.
what is the use of the anomalous expansion of water to the marines?
The anomalous expansion of water is significant for marines because it causes water to become less dense as it freezes, causing ice to float. This property prevents bodies of water from freezing solid from the bottom up, which is crucial for marine life as it allows organisms to survive beneath the ice during winter months. It also impacts navigation and infrastructure in icy waters.
Why is silicon safe to use?
Silicon is a shiny light grey element with a glassy fracture. Seldom met with as the element, but it is used in this form in the smelting of alumina into aluminium. It shares with water (and a few other elements), the anomalous decrease in density as it freezes.
What are the disadvantages of the anomalous expansion of water?
The anomalous expansion of water refers to the unique property of water expanding when it freezes, unlike most substances which contract. While this property is essential for aquatic life to survive in cold temperatures, it can cause damage to structures and pipes by exerting pressure when freezing. Additionally, this expansion can lead to ice forming on bodies of water, which can disrupt ecosystems and hinder transportation. Overall, while the anomalous expansion of water has its benefits, it can also pose challenges in various practical applications.
