How do you separate ethyl 4-aminobenzoate, benzil and 1,4 dibromobenzene How can 4-methyl-3-hexanol be synthesized from 3-pentanone? How would you synthesize the following substances starting from benzene? (a) (b) (c) Would you expect naphthalene to have greater solubility in water or in ...
If you find yourself tempted to shop online when you drink, take steps when you're sober to make it more difficult. Delete your credit card information from your favorite sites, and stash the cards in a separate room (away from your laptop) so it's not so easy to get them out when ...
many separate fuel cells must be combined to form a fuel-cell stack. Bipolar plates are used to connect one fuel cell to another and are subjected to both oxidizing and reducing conditions and potentials.
The electrophoresis was then run in the same buffer for 20 min at 4 °C (25 V, 1.25 V/cm, Consort EV202), to separate the loops of broken DNA strands from the nucleus (comet’s head) into a comet’s tail. Afterwards the slides were washed in PBS and H2O for 5 min each and ...
How do you purify proteins? In bulk protein purification, a common first step to isolate proteins isprecipitationwith ammonium sulfate (NH4)2SO4. This is performed by adding increasing amounts of ammonium sulfate and collecting the different fractions of precipitated protein. Subsequently, ammonium sul...
Re: How to isolate lactose from water with lactose «Reply #3 on:July 11, 2021, 12:31:18 PM » If you let the ethanol evaporate, aren't you just putting the system back to its original form, i.e. dissolved in water? Why do you need to heat it before you add ethanol? Also...
How could you separate salt dissolved in water? What are the advantages and disadvantages of using sodium carbonate to soften water? Sodium metal is soft whereas sodium chloride is very hard. Explain why. How does sodium acrylate behave when it is exposed to water? Where do you buy sodium bi...
Ethanol in alcohol speeds up peristalsis, moving stools through your body faster. With less time to absorb water, stools will become looser and more watery. Certain alcoholic beverages are also more irritating to the intestines, including fermented beverages like beers.3 ...
How would you separate toluene (C_6H_5CH_3), benzoic acid (C_6H_5CO_2H), and aniline (C_6H_5NH_2) by an extraction procedure? What does the term extraction mean in chemistry? Using your knowledge about the qualities of water, explain how you can drink coffee that is too hot to...
It's best to use a separate gas can for storing your two-stroke fuel and oil mix. That way you won't ever confuse it with the regular fuel used in four-stroke engines, or vice-versa. Avoid storing mixed two-stroke fuel for more than one month. If you do need to prolong the life...