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The α -particle scattering experiment of Rutherford concluded that: (1) The nucleus is made up of protons and neutrons (2) The number of electrons is exactly equal to number
GFAAS is often necessary to add modifiers in order to increase the sensitivity of the techniques.Giving example explain the principles used in the selection of such modifiers,be ca
Determine about the silicate clays The silicate clays develop charges because of an imbalance which takes place due to an exchange of one cation by the other in the crystal str
does lowered pH of water affect dissolved oxygen?
Explain stereochemistry a) The stereochemistry is E. The Br has higher priority on one carbon stereocenter, but it has lower priority on the other. b) The stereochemistry is
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
Ethyl bromide can be converted into ethyl alcohol using- Moist silver oxide or dry silver oxide?
Phenol (Carbolic acid), C 6 H 5 OH or Hydroxy benzene It was observed by Runge in the middle oil fraction of coal-tar distillation and termed it 'carbolic acid' (carbo = coal, o
A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
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