Friday, October 16, 2009

A liquid has a ........?

A liquid has a fixed volume, like solids but unlike gases. Solid, liquid and gases are three states of matter (plasma is the fourth one). Liquids are classified by a fixed volume and a variable shape. In general, liquids take the shape of whatever vessel they are in. Some examples of liquids are water, milk, etc. The intermolecular attraction between liquid molecules is less than that of solids and more than that of gases. Thus, they have more kinetic energy as compared to solid particles and less energy than gaseous particles. Also, liquids generally have lesser density than their solid forms (with the important exception of water) and more density than their gaseous forms. Liquids can take whatever shape (depending on the vessel they are in), but the total volume stays fixed. For example, we can use 1 liter water and fill 1 jug of 1 lt capacity or 4 glasses of 250 ml capacity each; irrespective of the shape of the jug or glasses.


Hope this helps. 

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