Adv: Announcements Turn in Review, Take Quest

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Presentation transcript:

Adv: Announcements Turn in Review, Take Quest After Quest: Phase Changes Review and Phase Diagrams SOL Review Packet and Two 40 Question J-Labs due by day of SOL: THURS 5/19

exothermic: release heat Endothermic: require heat boiling condensation sublimation deposition melting freezing

3. Intermolecular Forces Forces of attraction between molecules (dotted lines represents attraction between molecules)

Intermolecular Forces & Phase of Matter For the same chemical substance, molecules in the SOLID phase will have stronger intermolecular forces between them than molecules in the GAS phase In order for a solid to change into a liquid (melt) or for a liquid to change into a gas (boil), the molecules must overcome the intermolecular forces holding them together.

Phase Diagram I.S.

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