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Chapter 19 Section 1 (Chemical Properties (A chemical property is a…

- - - - Flammability refers to whether a compound will burn when exposed to flame.
        
        Petroleum's ability to undergo burn is another example of a chemical property.
      - Iron's ability to rust when exposed to oxygen is an example of a chemical property
    - - The structure of the sample must be altered for the chemical properties to become apparent.
- - - - In a liquid, the mass and the volume stay the same, but the shape can change. Examples of Liquid: milk, gasoline, and vegetable oil.
      - In a gas, the mass always stays the same, but the volume and shape can change. Example of Gas: the helium in a balloon, air in a tire,
        and neon in a sign
      - In a solid, the shape, mass, and its volume stay the same. Examples of a Solid: a chair, ride, books, and pen
    - - A physical property that depends on the size is mass. The mass of an object is a measurement of how much matter
        it contains.
      - Another physical property that depends on size is weights. Weight is a measurement of force. Weight depends on the mass of
        the object and on gravity.
      - The last but not least physical property that depends on the size is volume.
    - - A physical property,
        density, does not depend on the size of an object. Density measures
        the amount of mass in a given volume.
      - Melting and boiling point also do
        not depend upon an object’s size. The temperature at which a solid
        changes into a liquid is called its melting point. The temperature
        at which a liquid changes into a gas is called its boiling point.
      - Another property, solubility, also does not depend on
        size. Solubility is the number of grams of one substance that will
        dissolve in 100 g of another substance at a given temperature.