The main properties of water are its polarity cohesion adh

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The main properties of water are its polarity cohesion adhesion surface tension high specific heat and evaporative cooling. Polarity A water molecule is slightly charged on both ends. This is because oxygen is more electronegative than hydrogen. Check out video of a stream of water being bent – a plastic ruler is used in the demo. The stream of water bends due to the polarity of water molecules.Video from: Noel Pauller Cohesion Hydrogen bonds hold water molecules together as seen in the picture above. Cohesion creates surface tension which is why if you fill a spoon with water drop by drop the water volume will actually be bigger than the spoon’s surface before the water falls off. Here is video showing how a paperclip can float on water – it’s actually being held up by the hydrogen bonds formed between water molecules which give water its surface tension.Video from: Noel Pauller Adhesion Similar to cohesion but adhesion is when the hydrogen bonds in water allow for the water molecules to be held to another subtance. High Specific Heat Specific heat is amount of heat absorbed or lost for 1g to change 1C which in the case of water is pretty high. This allows for evaporative cooling to occur which is when heat energy is transferred to water molecules and evaporating water removes a lot of heat energy from an organism (eg. when we sweat) Other important characteristics of water involve it being a universal solvent along with its unusual density. Water unlike any other solid-liquid is more dense in its liquid form than as a solid which is why ice floats and this allows for entire habitats to exist underneath layers of ice floating on oceans. Its neutral pH (7) is also a relevant characteristic.

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