2. Chapter Menu States of Matter Section 12.1 Gases Section 12.2 Forces of Attraction Section 12.3 Liquids and Solids Section 12.4 Phase Changes Exit Click a hyperlink or folder tab to view the corresponding slides.
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4. Section 12-1 Section 12.1 Gases (cont.) kinetic-molecular theory elastic collision temperature diffusion Graham’s law of effusion Gases expand, diffuse, exert pressure, and can be compressed because they are in a low density state consisting of tiny, constantly-moving particles. pressure barometer pascal atmosphere Dalton’s law of partial pressures
33. Section 12-3 Section 12.3 Liquids and Solids (cont.) viscosity surface tension surfactant crystalline solid The particles in solids and liquids have a limited range of motion and are not easily compressed. unit cell allotrope amorphous solid
49. Section 12-4 Section 12.4 Phase Changes (cont.) melting point vaporization evaporation vapor pressure boiling point Matter changes phase when energy is added or removed. freezing point condensation deposition phase diagram triple point
101. CIM Table 12.4 Unit Cells Table 12.5 Types of Crystalline Solids Figure 12.30 Phase Diagrams
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