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The uncertainty in momentum of an electron is 1 x 10 -5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) : (1) 5.28 x 10 -30 m
the decomposition of nh3 on a platinum surface is a zero order reaction. what are the rates of production of n2 and h2 if k+2.5*10-4 mol-1 lsec-1?
The extraction of sodium metal
chemical properties of protium,deuterium and tritium..
what is nobel gasses
Cu 2+ will have the following electronic configuration: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 10 , (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 9 , 4s 1 (3) 1s 2 , 2s 2 ,
If you were to combine 120.0 mL of 0.100 M HCL with 3.25 grams of calcium metal, how many grams of hydrogen gas would you make?
The radius of first Bohr's orbit for hydrogen is 0.53 Å. The radius of third Bohr's orbit would be: (1) 0.79 Å (2) 1.59 Å (3) 3.18 Å (4)4.77 Å
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
Q. What is Standard Enthalpy of Formation? Ans. It is really difficult to measure the total energy content or absolute entropy of a substance. In order to quantify entropy
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