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For liquids - Drying of Organic Substances
Organic liquids are usually dried by keeping them over night in contact along with a dehydrating (desiccating) agent that does not react chemically with the liquid to be dried. Commonly employed dehydrating agents are quick lime, anhydrous CaCl2, fused CuSO4 or CaSO4.KOH, potassium or metallic sodium, and so on.
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
why is the valence electron 4s2 in the elelment Sc21 and not 3d1?
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
project on p block..
explain the synthesis of freon and westron i need only the synthesis of those coompound
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
Q. Determine the moisture content in flour? After undertaking this activity, you will be able to: • assess the moisture content in the given sample of flour, • determin
Name the most basic amino acid a) The most basic amino acid is arginine. It has the highest isoelectric point. b) Glycine is not chiral and therefore it cannot be optically
Role of organic solvents in atomisation: The organic solvents of low molar mass like alcohols, ethers, and ketones enhance the absorption peaks by increasing rate of aspiratio
Q. Determine the Number of neutrons? Isotopes of an element can as well be specified by writing the mass number of the isotope following a hyphen after the name of the element.
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