Problem 24
What is osmosis? What is osmotic pressure?
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Lewis structures for covalently bonded compounds Bonds are shown as lines Lone pair electrons are pairs of dots All atoms(except H) want 8 electrons(octet rule) An atom usually forms one bond for each electron Central Atom Premise: the central atom is the least electronegative(except hydrogen, it only has one electron) Example: CCl 4 Note the lines representing the bonds, and the dots representing lone electrons that aren’t bonded Important Rules Molecules with multiple Carbon and Nitrogen will usually have multiple centers Carbon is the ONLY element the forms long chains (ie. Sugars) Avoid O—O and F—F bonds, NEVER EVER make chains(2 or more) of Oxygen and Fluorine! Fluorine does
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Chapter 12, Problem 24 is Solved
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