Chemistry Chapter 11 - Gases

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Presentation transcript:

Chemistry Chapter 11 - Gases South Lake High School Ms. Sanders

Gases and Pressure Pressure – force per unit of area Units of Pressure – Pa – pascal kPa – kilopascal mmHg – millimeter of mercury Torr – torr atm - atmosphere

Gases and Pressure Conversions 1 torr = 1 mmHg 1 atm = 760 mmHg 1 atm = 760 torr 1 atm = 101.3 kPa

Gases and Pressure Practice Conversions Page 365 1) Convert 1.75 atm to mmHg and kPa

Gases and Pressure Dalton’s Law of Partial Pressure Example: P air = P N₂ + P O₂ + P CO₂ + P H₂O

Gas Laws Boyle’ Law Temperature is constant ↑P ↓V ↓P ↑V

Gas Laws Boyle’s Law Practice page 370

Gas Laws Charles’ Law Pressure is constant ↑T ↑V ↓T ↓V Temperature in Kelvins: K = 273 + °C

Gas Laws Charles’ Law Practice Page 372

Gas Laws Charles’ Law: Solve for T₂

Gas Laws Gay-Lussac’s Law Volume is constant ↑T ↑P ↓T ↓P K = 273 + °C

Gas Laws Gay-Lussac’s Law Practice Page 374

Gas Laws Combined Gas Law The three gas laws combined

Gas Laws Combined Gas Law Practice Page 375

Ideal Gas Law

Ideal Gas Law Practice Page 385

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