1. Physical and Chemical properties and Changes of the Matter 2.
Properties Characteristic or Intensive of the Matter Presents in
all the substances. They do not depend on the amount of substance.
They allow us to identify or to characterize a substance and to
distinguish it of others. They are subdivided in two categories:
Physical properties Chemical Properties 3. Properties
Characteristic or Intensive of the Matter Physical: those that they
identify to the substances without altering its composition.
Chemistries: those that relate the changes of composition of a
substance or their reactions to other substances. 4. Physical
Properties Color Scent Flavor Density Point of Fusion Boiling point
water Malleability Viscosity Hardness Brightness Ductility
Brightness Conductivity Volatileness 5. Chemical Properties The
following questions concern these properties: Is burned or burned
with the air? Is disturbed with the heat? Reacciona with other
substances? like: water, acids, metals, nonmetals, ect Hace
explosion? Is toxic? When reacting with other substances form new
substances? 6. Extensive properties of the Matter The depend on the
amount of substance or sample that is measured: Masa: amount of
present matter in an object. * Weight Effect of the action of the
force of gravity on the mass of an object in individual. 7.
Extensive properties of the Matter * Volume Measured of the amount
of space that occupies an object. Lenghth * Measured of the
distance between two points of an object or a certain place. 8.
Types of Changes of the Matter Physical: those that do not change
to the internal nature of the substances or matter. Fusion of a
metal, to cut a candle, boiling of the water. Chemical: those that
if they change the internal nature of the substances, from chemical
reactions. Combustion of the gasoline produces dioxide of carbon,
water and energy. Corrosion of the iron or iron. 9. Identification
of Physical or Chemical Changes 1. Protein digestion C. Chemical 2.
Pulverization of gis C. Physical 3. Evaporation of water C.
Physical 4. Photosynthesis C. Chemical Hail C. 5. Physical Rotting
of meat C. Chemical 6. Breathing of plants C. Chemical 7. Fusion of
the cheese brick mold C. Physicist 10. Bibliography Burns, R.
(2003) Fundamentos de Qumica. 4 Ed. Pearson, Prentice-Hall. Mxico,
D. F.
