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which is the main postulate of bohr''s model of atom
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
does hydrogyn react with magnesium
We have seen that different metal/metal ion combinations have different values of electrode potentials. The various elements can be arranged in order of increasing or decreasing va
synthesis what is it
What are similarities and differences of primitive cells and unit cells? Ans: Unit cell is the basic building block of a crystal, repeated infinitely in three d
0.265g of an organic compound produced on evaporation 102cm^3 of vapour at 373k and 775mmHg.percentage composition of the constituents elements are 92.24 % of carbon and 7.76% of h
what are noble gases
Q. Show the chemical properties of Aluminium? Aluminium has a very high affinity for oxygen; this is reflected in high exothermic heat of formation of Al 2 0 3 (-1676 kJ mol -
Rutherford's α particle scattering experiment proved that atom has: (1) Electrons (2 )Neutron (3) Nucleus (4 )Orbitals Ans: Nucleus
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