Ch. 8 - Solids, Liquids, & Gases MATTER Ch. 8 - Solids, Liquids, & Gases II. Changes in State (p.224-227) Phase Changes Heating Curves
melting point = freezing point A. Phase Changes Melting solid to liquid Freezing liquid to solid melting point = freezing point
A. Phase Changes Vaporization (boiling) liquid to gas at the boiling point Evaporation liquid to gas below the boiling point Condensation gas to liquid
A. Phase Changes Sublimation solid to gas EX: dry ice, freeze drying, iodine
A. Phase Changes
B. Heating Curves Gas - KE Boiling - PE Liquid - KE Melting - PE Solid - KE
B. Heating Curves Heat of Fusion energy required to change from solid to liquid some attractive forces are broken
B. Heating Curves Heat of Vaporization energy required to change from liquid to gas all attractive forces are broken EX: steam burns, sweating, and… the drinking bird HEATING CURVE