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Elite Engineer

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Everything posted by Elite Engineer

  1. What if you reacted the cellulase with the ceullose first, then ate it?
  2. If I ingested a bunch of cellulase and started eating grass, leaves, etc. wouldn't that be sufficient to breakdown the cellulose into digestible carbohydrates for energy?..just curious ~EE
  3. I think the OSF should add a biochem category as part of the chemistry forum, its only right. Add more topics. ~EE
  4. You can. TBH I'd follow what hypervalent_iodine says, he/she is more rounded on this stuff. However, you can you a sepratory funnel, but personally, I'd use hexane, or ether filter it, and then just evaporate the hexane/ ether to obtain the product. ~ee
  5. Probably not due to changes in reaction conditions, but due to one of the isomers you used that yielded a product with a lower melting point than the other two crystalline products. What were the products you made? How pure of a product do you want if you don't intend to use column chromatography? As an alternative you can use a non-polar solvent and then a polar solvent to extract impurities out or distillation. ~EE
  6. Just generally curious on how manufactuers covalently attach enzymes to antibodies for EIA's, and not denature or alter their function. Is there any particular type of reaction mechanism involved? ~Thanks, EE
  7. I dunno...this reaks of "do my HW for me"...not even asking about temperature conditions, glassware, equipment to use for the reaction. I'll only go as far as saying, the nitrogen is kicked off the carbonyl carbon by a nucleophilic hydroxyl group attack the carbonyl carbon. ~EE
  8. Technically if the coal was wet, it couldn't be really used efficiently, by way of 19th century standards..thats the only way I think you "couldn't" turn it into energy. But yea like Fuzzwood said, there are altneratives to coal such as wood, etc. But who said you have to have high-tech to produce efficient energy? Just build a stirling engine, using wood as the heat source...first built in the mid-19th century. ~ee
  9. so can you get started in sales with a BS in biotech?
  10. Im usually on this forum everday, but have been excpetionally busy the past 3-4 months with school. I plan to finish my BS in biotechnology in 1.5 yrs...and there is talk of some biotechs going to into research, and some going into sales. Does anyone know what "sales" in the biotech industry would be like....telemarketer? Do you have any experience with sales and science? What would be some marketable things I could do..i.e. minor in business... ~EE
  11. sorry for the late reply, I haven't had a working computer for a couple days now. I react equal molar ratios of vinegar and sodium bicarbonate for about a half hour (about 200ml total volume) to ensure there is no excess vinegar..also I add a bit more sodium bic. to make sure there is no more vinegar. Then I eat the solution on a hot plate for about 50 min. As the water begins to boil off, and there is a visible sodium acetate solid forming. However, EVERYTIME, just as there is maybe 10-20 ml of water left, the sodium acetate begins to brown and burn, to the point where I can only use at a fraction of it. I never heard of it before, but I can try it.
  12. I've been trying to make crystallized sodium acetate to make acetic acid (to then make banana oil). I mix vinegar and sodium bicarbonate and then try to boil off the water, however I keep burning the sodium acetate. Is there any wasy i can remove the sodiuma acetate w/o destroying it? ~ee
  13. If you want to understand reactions and particularly reaction with metals, you need to read up on inorganic chemistry. I recommend reading up on organic chemistry first to really understand reaction mechanisms, and how reactions proceed. Any university level textbook should be good ~ee
  14. With increased CO2 output in the atmosphere, there is talk that the oceans will/are becoming more acidic via carbonic acid (note: only talking about CO2, not other pollutants). However, if the Earth is getting warmer, and the ice caps are melting, in the near future, won't that decrease the oceans acidity or at least keep it constant, due to the fact that gases are MORE soluble in colder conditions rather than warmer/ hotter condition? ~ee
  15. Well I thought that refluxing it would supply enough energy assist the reaction. So you're saying if you have a salt (i.e. NaCl) and anhydrous acetone, and then introduce acetic acid and/or a alkyl halide, the Cl- would react with the carbonyl carbon or the carbon attached to the halide? I see that NaI works, and that's because I is a great nucelophile. However, if you were to use NaCl, NaBr, etc, there would be reaction, even though Cl and Br are decent nucelophiles. I'm asking, why is this? -I was assuming you would need to reflux with the NaCl to give it the extra "kick: of energy it needed to react. ~ee
  16. but it still wouldn't work would it? Would it need to be under reflux?
  17. Something I've never understood in chemistry is why don't salts (i.e. NaCl, NaBr) react with carbonyl or alkyl halides? -In theory, the Na and Cl dissociate in solution. The carbonyl or alkyl halide is added, and the negative anion (Cl, Br, etc) reacts with the positively influenced carbon atom...but this doesnt happen. Should a catalyst be present, or does theire need to be an immense amount of heat/ energy for the reaction to take place? ~ee
  18. With the recent influx of illegal aliens, (via the president), and those with ebola and other fatal diseases, is it just over-hype and media scare with the looming possibility of ebola spreading across the country? -I say this b/c ebola is only passed via contact with contaminated feces, and/or ingestion of contaminated bodily fluids..it's not as if it were airborne or transferred via respiratory droplets. your thought... ~ee
  19. Is this a serious question? diesel with a 10:1 comp. ratio?
  20. I own a 2007 toyota corolla (stick shift ). The engine is a 1.8L with a 10:1 compression ratio (stock). Should I be using 87 octane or 89 octane due to the 10:1 ratio? ~ee
  21. I'm trying to understand common core, however it seems who ever is making up these equations is using arbitrary numbers to make their point. I could understand if the numbers were derived from the question, but that's not the case. Example: _______________________________________________________________ What does 26 + 17 =? 1.) First think: 4 + 13 = 17 ( why not use 16 + 1 or 12 + 5...why 14 + 3) 2.) Add 26 + 4 = 30 3.) Add 13 + 30 = 43 ________________________________________________________________ ~ee
  22. Just as tom_riddle said, can a mechanic evaluate the geometry of the machine, find stress maximums, and break force vectors into its components for analyzation? No, they can't. I'm beginning to think mechanics who complain about engineers are just wannabe engineers who couldn't hack the intense study and commitment and decided to replace valve covers and fix transmissions instead. These particular mechanics think ther engineers owe them b/c they maintain and MAYBE improve their designs, when in reality without the engineer's presence every car coming off the production line would be improved relative to how the driver died in it. Yea, you're actually right. My friend "enhanced" some large turntable machine that should have been out of commsion years ago..kinda like using a DOHC instead of a SOHC...the knowledge for the improvement was fundamental and present, it just took someone to get off their lazy rear to actually do it...and because he did this he thinks he's the next James Watt...oh lard!
  23. If photons are pure energy, if they collide won't they just double their energy (i.e. increase in light intensity) rather than cancel each other out because they have no mass? ~EE
  24. sorry, I was typing on the fly. What I meant was, do most of these reactions require you to perform them under reflux, via using a reflux condenser?
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