The phenomene of miscible substances, Superficial tension and cappilaryty, Intermolecular interaction

It is very importent and necessary to live for people, animals and plants. Thanks to this phenomen oxygen, nitrogen and other gases can be mixed and they form the air that we breathe. It contributes to formation of water. Morover the phenomen is used by people to their every day life for example to make cleaning fluids and to dillute accumulator's acid; to make medicines; to dillute vinager, alcohol; to product glues, lacquers etc. Thanks to this we can drink sweet tea, sal our dishes and we have sal sea water. We can also feel different scents. There is a priticular kind of dyfusion which we call osmosis and that cause that oxygen and water penetrate to our blod and to the tissues, nourish them and make stronger. Through the same way the product of basal metabolic rate are expulsed. The phenomen of miscible substances can bring as well negative consequences like, for example, sea and river pollution.

Superficial tension and cappilaryty

It consist of forming a kind of pellicle on liquid surface. Thanks to this a light object can be put on the water (for example a light coin) and it flows. This phenomen make a convenience of animals: ducks, swans and other water birds. The water insect move sliding on its surface. A man has discovered that superficial tension makes smaller when it is influenced by some chemical remedies. It has been used to wash up, to wash, to clean using detergents.

Intermolecular interaction

Without this phenomen life on the earth wouldn't be possible. Thanks to molecules coherence of liquits, gases and solid do not derive one from the other and make totals. The best example is water and a lot of objects that surround us. Thanks to the difference betwen forces of coherence and athesion water animals do not soak throught.

Those phenomenes mentioned have been used to gluing, painting and lacquering and to many others. Thanks to forces of coherence we can use cosmetics and write. They protect live organisms, keeping fat and sweat on the body surface they prevent from drying and freezing.