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Solids, liquids and gases are different mainly because of their lattice arrangements and the cohesive forces between the molecules. The cohesive forces between their molecules are also very weak. This gives gases their property to flow and compressibility.
gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.
Matter is made of small particles of atoms or molecules. There are three common states of matter, solid, liquid and gas. A gas and a liquid will change shape to fit the shape of their container. A gas will change volume to fit the volume of the container….Liquids Solids and Gases:
Definite shape | definite volume | |
---|---|---|
liquid | no | yes |
gas | no | no |
If you have the same number of particles, then the gas will have the greater volume. The particles of matter in the liquid state are still close together but they are far enough apart to move freely. The particles of matter in the gaseous state are neither close together nor fixed in place.
Like liquids, gases have no definite shape, but unlike solids and liquids, gases have no definite volume either. The change from solid to liquid usually does not significantly change the volume of a substance.
Three states of matter exist – solid, liquid, and gas. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
Definite volume refers to something which has a consistent, unchanging volume, which in practical terms may mean a static mass and density, or a predetermined shape, either of which will dictate volume.
Solution : Gases do not have a definite shape or volume because the molecules in gases are very loosely packed, they have large intermolecular spaces and hence they move around. The force of attraction between molecules is also very less, as a result gases acquire any shape or any volume.
Liquids have a fixed volume but no fixed shape. Gases have no fixed volume and no fixed shape. Gases expand to fill the space available. They can also be compressed into a very small space.
In a liquid, the particles are still in close contact, so liquids have a definite volume. However, because the particles can move about each other rather freely, a liquid has no definite shape and takes a shape dictated by its container.
There are three common states of matter:
All liquids show the following characteristics:
Liquids have the following characteristics:
Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form.
Some examples of gases are listed below.
There are seven diatomic elements: hydrogen, nitrogen, oxygen, fluorine, chlorine, iodine, bromine.
The gaseous element group; hydrogen (H), nitogen (N), oxygen (O), fluorine (F), chlorine (Cl) and noble gases helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn) are gases at standard temperature and pressure (STP).