Properties of liquids power point
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Liquids have no definite shape but take the shape of their container. They are slightly compressible but incompressible over long periods as the particles are closely packed. Liquids maintain a fixed volume, filling the same space in different sized containers and overflowing if the container is too small. Intermolecular forces in liquids are strong enough for them to flow and spread over surfaces as molecules can slip and slide past one another.
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Properties of liquids power point
- 2. IN THIS PRESENTATION • Shape • Compressibility • Volume • Strength of IMFs • Type of particle motion
- 3. SHAPE OF LIQUIDS • Liquids have no definite shape • They take the shape of the container (when you place liquids in a container they follow the outline of the container to the level of their level) • This shows that liquids can flow freely
- 4. COMPRESSIBILITY OF LIQUIDS • Liquids are slightly compressible • You can slightly squeeze a liquid in a container • This happens since they have some space between the particles • You can not squeeze liquids for a long time since shortly after, the partcles get close together • This means overall, liquids are incompressible.
- 5. VOLUME • Liquids have a fixed volume • Placing a liquid in a small container makes the liquid reach a higher level than in a larger container. • This happens because the liquid maintains the space it occupied in the bigger container • This is why a liquid overflows when the space inside the container is not enough for it.
- 6. STRENGTH OF IMFS IN LIQUIDS • Intermolecular forces (IMFs) are the attraction forces holding molecules together in a substance. • In liquids, the IMFs are fairly strong hence there is some flexibility in the molecules of a liquid. • Thus liquids can flow – when you place a liquid on a flat surface it spreads over the surface.
- 7. TYPE OF PARTICLE MOTION • In liquids, the molecules are slightly free to move. • They do not move from one place to another necessarily. • Molecules of a liquid slip and slide over each other. • This is so since the IMFs between the molecules are limited hence allowing the molecules to slip over each other.