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chemdoc

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Everything posted by chemdoc

  1. Most professors assume you forgot everything over the summer anyway, if you want to be really prepared re-study the chapters on molecular bonding theories and make sure the basics like mole conversions and balancing equations are still second nature, on my first orgo test I got the entire first page wrong because I forgot how to do simple mole conversions. Most of the stuff, however, is new. If you did well in gen chem, then you will relearn the repeated stuff really fast.
  2. I am looking for a list of relatively easy distillations from common chemicals. By "realtively easy" I mean distillations that can be performed with a basic distillation setup + a vigreux column and by "common chemicals" I mean chemicals that I can buy from supermarkets, hardware stores, pool chemicals, etc... By "useful" I mean ideally I would like to be able to use the finished product in some way, for example distilling acetic acid from white vinegar and using it in aspirin synthesis. I just got all the glassware but all I've distilled so far is salt water! My chemistry experience consists of two semesters of inorganic chemistry and two semesters of organic chemistry, I have about 150 hours of lab experience.
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