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Chemical and Physical Properties of Matter

Chemical and Physical Properties of Matter. Notes 7. Definitions of Properties. Physical properties can be observed without chemically changing matter. Chemical properties describe how a substance interacts with other substances. Examples of Properties. PHYSICAL. CHEMICAL. Color

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Chemical and Physical Properties of Matter

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  1. Chemical and Physical Properties of Matter Notes 7

  2. Definitions of Properties • Physical properties can be observed without chemically changing matter. • Chemical properties describe how a substance interacts with other substances.

  3. Examples of Properties PHYSICAL CHEMICAL Color Odor Phase Luster Shape Malleability Ductility Density Shape solubility Reactivity Combustibility Flammability Rusting Corroding acidity

  4. PROPERTIES • Intensive A property that does not change when the amount of sample changes. Examples are density, pressure, temperature, color. • Extensive A property that changes when the amount of matter in a sample changes. Examples are mass, volume, length, and charge

  5. EXAMPLE

  6. Density: mass divided by the volume of a substance • Density = mass / volume • Unit: g/ml or g/cm3 M D V

  7. SPECIFIC GRAVITY • Specific Gravity: has no units!! • Specific gravity is the density of a substance relative to some reference substance: ( usually compared to water.

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