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Ch. 8 - Solids, Liquids, & Gases

MATTER. Ch. 8 - Solids, Liquids, & Gases. III. Behavior of Gases (p.228-231) Pressure Boyle’s Law Charles’ Law. A. Pressure. Which shoes create the most pressure?. A. Pressure. Key Units at Sea Level 101.325 kPa (kilopascal) 1 atm 760 mm Hg 14.7 psi. Atmospheric Pressure.

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Ch. 8 - Solids, Liquids, & Gases

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  1. MATTER Ch. 8 - Solids, Liquids, & Gases III. Behavior of Gases (p.228-231) Pressure Boyle’s Law Charles’ Law

  2. A. Pressure Which shoes create the most pressure?

  3. A. Pressure • Key Units at Sea Level 101.325 kPa (kilopascal) 1 atm 760 mm Hg 14.7 psi

  4. Atmospheric Pressure Contained Pressure Manometer Barometer A. Pressure

  5. A. Pressure • Effect on Boiling Point • When atmospheric pressure increases, the boiling point of a liquid increases. • EX: high altitude cooking, boiling cold water

  6. P V B. Boyle’s Law • When the volume of a gas decreases, its pressure increases (at constant temp). PV = k INVERSE

  7. B. Boyle’s Law

  8. V T C. Charles’ Law • When the temperature of a gas increases, its volume also increases (at constant pressure). DIRECT

  9. C. Charles’ Law

  10. C. Charles’ Law • Absolute Zero - Temp at which... • the volume of a gas would equal zero. • all particle motion would stop. -273°C or 0 K

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