Unit 6: Gases

Unit 6 Gases Materials

• Objective 1: Kinetic Molecular Theory

  • Objective: Describe the main postulates of the Kinetic Molecular Theory and explain how particle motion relates to temperature and pressure in gases.

  • Resources and activities

    • Inquiry Lab: Kinetic Molecular Theory Lab; Gas Behavior

    • Edpuzzle video

    • In-notes practice: Video 1 Practice

    • ChemQuiz "rcu6 Gases; Kinetic Molecular Theory"

• Objective 2: Know the Variables: PVT

  • Objective: Identify and define the key gas variables—pressure (P), volume (V), and temperature (T)—and explain how they are measured and represented.

  • Resources and activities

• Objective 3: Relationship between PVT (the gas laws)

  • Objective: Explain how changes in pressure, volume, and temperature affect one another according to Boyle’s, Charles’s, and Gay-Lussac’s Laws.

  • Resources and activities

    • Edpuzzle video

    • In notes practice; Video 1 Practice

• Objective 4: Using the Combined Gas Law Formula

  • Objective: Apply the Combined Gas Law (P₁V₁/T₁ = P₂V₂/T₂) to solve problems involving changes in pressure, volume, and temperature of a gas.

  • Resources and activities

    • Combined Gas Law Group Practice

    • ChemQuiz: Combined Gas Law Practice

• HONORS: Objective 5: Ideal Gas Law

  • Objective: Use the Ideal Gas Law (PV = nRT) to relate the amount of gas (in moles) to its pressure, volume, and temperature, and interpret the value of the gas constant R.

  • Resources and activities

    • Chemquiz: Ideal Gas Law Practice

• Objective 6: Avogadro’s Hypothesis

  • Objective: Explain Avogadro’s Hypothesis and describe how equal volumes of gases at the same temperature and pressure contain equal numbers of particles.

  • Resources and activities

    • In notes practice; Avogadro’s Hypothesis Video 2

    • ChemQuiz: rcu6 avogadros