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0.22(6.022)(10^23)
Why is the colour of sky blue??
The energy of electron in hydrogen atom in its grounds state is -13.6 eV. The energy of the level corresponding to the quantum number equal to 5 is: (1) -0.54 eV (2)
The wavelength of a spectral line for an electronic transition is inversely related to: (1) The number of electrons undergoing the transition (2) The nuclear charge of the a
how to memorize cation and anion
What is the chemistry of nitration of naphthalene?
On mixing acetone and chloroform, a reduction in total volume occurs. What kind of deviations from ideal behavior for solutions is given in this case and why?
what are similarities and differences among the Arrhenius, Bronsted-Lowry, and Lewis acid-base theories?
Vat dyes: These dyes are insoluble in water and cannot be helpful directly. These dyes on decline along with sodium hydrosulphite (NaHSO 3 ) in a vat make a soluble compound th
How are ionic bonds and covalent bonds different
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