Question

What are the different properties of water biology?

Answer 1

We’ll overlook the indiscretion of hydrogen bonds in light of the fact that they are partly responsible for water’s unique properties. Now, everyone is special, and we’re not trying to belittle any other chemical compounds by singling water out, but water really is amazing and über-important to life on Earth. By now, you’re surely on the edge of your seat wondering why so here are some properties :-

Water Has High Cohesion

So what? We'll tell you what. Hydrogen bonds between water molecules make them stick together. But you already knew that. High cohesion is nifty because it results in high surface tension, or the tendency for water molecules to stick together when at the boundary of a gas and a liquid (or a liquid and a solid, or even a liquid and a liquid...you get the idea). This makes it rather difficult to break the surface of water compared to other liquids. Surface tension is what allows some things to float on water even if they’re denser than water. Bugs, for instance. Or this guy. Look at him go!

Water Is a Great Solvent

Water is dangerously good at dissolving things. A master dissolver, if you will. Sinces water is a polar molecule, its positive end is attracted to negatively charged ions or the negative sides of other polar molecules, and its negative side is attracted to positively charged ions or the positive sides of other polar molecules. 

For example, if you drop a salt crystal into water, the sodium ion (Na+) will quickly be surrounded by eager water molecules with their negative sides facing the positive sodium ion. Meanwhile, the chlorine ion (Cl-) will be similarly surrounded by other water molecules with their positive sides facing the negative chlorine ion. It’s vaguely reminiscent of the way paparazzi descend on celebrities, or the way vultures hone in on a dead carcass.

Metaphors aside, the point is that the Na+and Cl- get separated from each other and dissolve in the water. Things that easily dissolve in water are hydrophilic ("water-loving"), and the "dissolvability" property is called solubility. 

Answer 2

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