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Lec10 Climate II - Global Climate Change II Chapter 3...

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Global Climate Change II Chapter 3: Chemistry in Context
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How does the increase in CO 2 affect the Earth’s energy balance?
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How much IR radiation is captured by the atmosphere and radiated back toward the surface?
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Lewis Dot Structure Gives the electron configuration of an atom or molecule Electron configuration explains: Structure of a molecule (bonds) Reactivity with other atoms/molecules Interaction with light Shape of a molecule
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Molecular Shape Vibration Vibration depends on shape (arrangement of atoms) Interaction with IR radiation depends on vibrations
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Diatomic molecules vibrate only one way: bond stretch A B N 2 , O 2 , CO
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