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III. Changes of State (p. 372 - 382)Ch Liquids & Solids III. Changes of State (p )
A. Phase Changes Evaporationmolecules at the surface gain enough energy to overcome IMF Volatility measure of evaporation rate depends on temp & IMF
A. Phase Changes Equilibriumtrapped molecules reach a balance between evaporation & condensation
A. Phase Changes temp v.p. IMF v.p. Vapor Pressurepressure of vapor above a liquid at equilibrium v.p. depends on temp & IMF directly related to volatility temp temp v.p. IMF v.p.
A. Phase Changes Patm b.p. IMF b.p. Boiling Pointtemp at which v.p. of liquid equals external pressure depends on Patm & IMF Normal B.P. - b.p. at 1 atm Patm b.p. IMF b.p.
A. Phase Changes IMF m.p. Melting Point equal to freezing pointWhich has a higher m.p.? polar or nonpolar? covalent or ionic? polar ionic
A. Phase Changes Sublimation solid gasv.p. of solid equals external pressure EX: dry ice, mothballs, solid air fresheners
E. Changes in State (phase changes) 1. Melting - solid to liquid a. Particles get more kinetic energy and begin rotating around each other. b. There isnt.
Phase Changes Physical change of matter from one phase to another due to a transfer of energy.
Changes in States of Matter
Changes in State.
Kinetic Energy and Phase Changes. Diffusion Diffusion is the process by which molecules will move randomly in order to fill the space that they are in.
Ch. 8 - Solids, Liquids, & Gases II. Changes in State (p ) Phase Changes Heating Curves MATTER.
Chapter 2 Section 3 Go through this power point with your partner, taking notes and discussing the material as you progress through the paper.
PHASE CHANGES SECTION 3.3.
I. Kinetic Molecular Theory KMT
State Changes AKA= Phase Changes. Review: 3 States of Matter Solid Liquid Gas.
Phase Changes A change from one state of matter (solid, liquid, gas) to another. Physical change because appearance is changed, not chemical make-up; reversible.
Particles get more kinetic energy and begin rotating around each other. There isn’t enough energy to break the intermolecular attractions, so the particles.
Section 12.4: Phase Changes
Liquids & Vapor Pressure. Vapor Gas phase of substance that is normally liquid at room temperature Some evaporation occurs at all temperatures The easier.
States of Matter Newport High School Academic Chemistry Modified from a PowerPoint found at
3.3 Phase Changes.
I. Kinetic Molecular Theory KMT. Assumptions of KMT All matter is composed of tiny particles These particles are in constant, random motion. Some particles.
Phase Changes Chp 10. Phase Diagrams Phase diagram = relates physical states of matter (solid, liquid, gas) to temperature and pressure.
I. Intermolecular Forces (Ch. 6, p )
Changes of State.
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