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The ionization energy of hydrogen atom is -13.6eV. The energy required to excite the electron in a hydrogen atom from the ground state to the first excited state is (Avogadro's co
Q. What are the Physical Properties of Nitric Acid? Ans. Nitric acid (HNO 3 ) may be prepared by heating sodium nitrate with sulfuric acid: NaNO 3 + H 2 SO 4 --> HNO
why is it useful to use moles to measure chemical quantities
Iso-electronic species is: (1) F - ,O -2 (2) F - , O (3) F - , O + (4) F - , O +2 Ans: F - ,O- 2
in an electrophoresis experiment , spherical colloidal particles of diameter 0.5 um are disperside in a solution of 0.10mol per litter nacl , if the particles are observed to cover
limitations of distribution law
How many KCal of heat are liberated when 48.0 grams of iron are burned to form Fe2O3 at standard state conditions? (Change of Hf^0 of Fe2O3 is -197 kCal/Mole )
equivalent mass as an assignment
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
Nitrogen Containing Compounds The important nitrogen consisting of organic compounds that are alkyl nitrites (RONO), nitro-alkanes (RNO 2 ), amines (- NH 2 ), aromatic nitro co
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