chem
Silicon has three naturally occurring isotopes. 28Si, mass = 27.976927; 29Si, mass = 28.976495; 30Si, mass = 29.973770 and 3.10% abundance. What is the abundance of 28Si?
Illustrate is HCl an acid or a base ?
What is the utilization of glacial acetic acid? Briefly describe the uses.
The number of times each irreducible representation occurs in a reducible representation can be calculated.Consider the C2v point group as described or Appendix C. you can see that (1) sum of
Aryl halides are much less reactive towards nucleophilic substitution reactions than haloalkanes. The less reactivity of aryl halides can be described
Select the right answer of the question. "The relative lowering of the vapour pressure is equal to the mole fraction of the solute." This law is called: (a) Henry's law (b) Raoult's law (c) Ostwald's law (d) Arrhenius's law
Select the right answer of the question. Molecular weight of urea is 60. A solution of urea containing 6g urea in one litre is : (a)1 molar (b)1.5 molar (c) 0.1 molar (d) 0.01 molar
Describe some of the significance of the organic chemistry in brief?
density of water is 1g/mL.The concentration of water in mol/litre is
Illustrate how are dipole attractions London dispersion forces and hydrogen bonding similar?
with the help of polarity of c-x bond show that aryl halides are less reactive than alkyl halides
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