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Triple Point Plot

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Triple Point Plot

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    1. Triple Point Plot

    2. Triple Point Remind students of the effects of temperature and pressure on the state of matter. Students are familiar with the three states ofwater. What happens to the boiling point of water as pressure increases? (It increases.) What happens to the freezing point as the pressure increases? (It decreases.) What is the triple point (The temperature and pressure at which all three states coexist in equilibrium.)Remind students of the effects of temperature and pressure on the state of matter. Students are familiar with the three states ofwater. What happens to the boiling point of water as pressure increases? (It increases.) What happens to the freezing point as the pressure increases? (It decreases.) What is the triple point (The temperature and pressure at which all three states coexist in equilibrium.)

    3. Objectives - Matter Explain why mass is used as a measure of the quantity of matter. Describe the characteristics of elements, compounds, and mixtures. Solve density problems by applying an understanding of the concepts of density. Distinguish between physical and chemical properties and physical and chemical changes. Demonstrate an understanding of the law of conservation of mass by applying it to a chemical reaction.

    4. Objectives - Energy Identify various forms of energy. Describe changes in energy that take place during a chemical reaction. Distinguish between heat and temperature. Solve calorimetry problems. Describe the interactions that occur between electrostatic charges.

    5. Law of Conservation of Energy

    6. Law of Conservation of Energy

    7. Law of Conservation of Energy

    9. Heating Curves

    10. Heating Curves Temperature Change change in KE (molecular motion) depends on heat capacity

    11. Heating Curves Phase Change change in PE (molecular arrangement) temp remains constant

    12. Heating Curves Heat of Vaporization (?Hvap) energy required to boil 1 gram of a substance at its b.p. usually larger than ?Hfuswhy?

    13. Phase Diagrams Show the phases of a substance at different temps and pressures.

    15. Resources - Matter and Energy

    16. Resources - Matter and Energy

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