جميع المواضيع المتعلقة بـ ‘phase’

 

Simplified chemistry- Matter notes (card)

MATTER

1. PHYSICAL PROPERTIES

2. CHEMICAL PROPERTIES

1. Properties which can be observed without changing the substance into something different. Color, odor, hardness, density, luster, state, conductivity, solubility, boiling and melting points

2. A chemical property is observed when a substance changes into a new substance. Iron forms rust in air & water; gasoline bums…

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Adsorption

A process in which atoms or molecules move from a bulk phase (that is, solid, liquid, or gas) onto a solid or liquid surface. An example is purification by adsorption where impurities are filtered from liquids or gases by their adsorption onto the surface of a high-surface-area solid such as activated charcoal. Other examples include the segregation of surfactant molecules to the surface of a liquid, the bonding…

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