Physical & Chemical Pr.
Define physical property
{property of matter that can be observed/measured without changing the composition of the substance.
Define intensive property
Do not depend on the amount of matter in a sample ( size-independent)
Does a solid have a definite shape & volume ?
Yes
Does liquid has definite shape and volume ?
No, liquid has an indefinite shape and yet a fixed volume
Does gas have a definite shape and volume?
No, it does have a definite shape and volume
Define Chemical Property
property of matter that is observed/measured only, when the substance undergoes the change ( composition is changed)
Define Extensive property:
properties of matter that depends on the amount of matter in a sample (size-dependent)
Does the shape of solid depend of the shape pf its container?
No
Does liquid depend on the shape of its container ?
Yes, liquid takes the shape go the container in which it is placed
Does gas depend on its container?
Yes, gas takes the shape and volume of its container
Give 2 examples of Physical property
Size, shape, measure, volume, mass, density, B.P
give 2 examples of Intensive property
Mass & volume
How are the particles of solid arranged
The particles in a solid are packed tightly together , often in an orderly arrangement
How are the particles of liquid arranged ?
The arrangement of particles in a liquid is not rigid or orderly
How are the particles of gas arranged?
The particles in a gas are usually made father apart than the particles in a liquid
Give example of chemical property
Substances ability to burn by burning it
Give 2 examples of Extensive property
Density , conductivity , state of matter , melting/boiling point , magnetism , absorbency
Are solids compressible ?
Solid are almost incompressible; that is, difficult to squeeze a solid into a smaller volume
Is liquid compressible ?
Liquid are almost incompressible
Is gas compressible?
Because of the space between particles, gasses are easily compressed into a smaller volume
Define substance
Matter that has a uniform and definite composition
What's the formula of Density?
Density=mass/volume
Do solids expand when heated ?
Yes, solids slightly expand when heated
Does liquid expand when heated ?
Liquid tends to expand slightly when heated
Define vapor
The gaseous state of a substance that is generally a liquid or solid at room temperature , as in water vapor