Chapter 6: Thermochemistry

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Presentation transcript:

Chapter 6: Thermochemistry James Prescott Joule

Heat Transfer: From Hot to Cold Universe Heat Solar System Heat Earth Heat Surroundings SYSTEM Reaction Exothermic: Releases heat MCTC Heat Minneapolis Heat Table Heat

Changes in Energy: Keeping Track Change in Energy E = Efinal - Einitial = Ef - Ei E Efinal < Einitial Efinal > Einitial System gains heat energy. Endothermic System loses heat energy. Exothermic E = Efinal - Einitial > 0 E = Efinal - Einitial < 0 E is positive. E is negative