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HEAT

HEAT. Chapter 9 Thermal Energy. 9.6 The Laws of Thermodynamics. Thermodynamics. The study of the relationship between heat and other forms of energy. First Law of Thermodynamics. Conservation of Energy Energy is neither created nor destroyed. First Law of Thermodynamics.

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HEAT

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  1. HEAT

  2. Chapter 9Thermal Energy 9.6 The Laws of Thermodynamics

  3. Thermodynamics • The study of the relationship between heat and other forms of energy

  4. First Law of Thermodynamics • Conservation of Energy • Energy is neither created nor destroyed

  5. First Law of Thermodynamics • Whenever heat flows into or out of a system, the gain or loss of thermal energy equals the amount of heat energy transferred

  6. What’s a system? • Any substance or well-defined object

  7. Steam in a Steam Engine

  8. Earth’s Atmosphere

  9. Body of a Critter

  10. Second Law of Thermodynamics • Heat flow is always from hot to cold

  11. Third Law of Thermodynamics • No system can reach absolute zero

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