Mixtures of Matter Section 3.3.

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Presentation transcript:

Mixtures of Matter Section 3.3

Mixtures A mixture is a combination of two or more pure substances. Examples Sand and water,

Types of Mixtures A heterogeneous mixture is one that does not blend smoothly throughout and in which the individual substances remain distinct. A homogeneous mixture has constant composition throughout; it always has a single phase.

Solutions Homogeneous mixtures are also referred to as solutions. Gas-gas Gas liquid Liquid-gas Liquid-liquid Solid-liquid Liquid-solid

Solutions Homogeneous mixtures are also referred to as solutions. Gas-gas Air Gas liquid Carbonated beverages Liquid-gas Humid air Liquid-liquid Vinegar Solid-liquid Sweetened powdered drink in water Solid-solid Steel (iron and carbon)

Separating Mixtures Chemical or physical properties used Filtration Distillation Crystallization Chromatography

Filtration Chromatography Distillation Crystallization

Homework P. 69 15-17 P. 82. 46-51