Calculate the energy required for the process
`H e^+(g) rarr H e^((2+))(g)+e^-` The ionization energy for the `H` atom in the ground state is `2.18 xx 10^(-18) J` atom `^(-1)`.

Calculate the energy needed to convert three moles of sodium atoms in the gaseous state to sodium ions, The ionization energy of sodium is 495 kJ mol^(-1)

Calculate the energy of radiation emitted for the electronic transition from infinity to ground state for hydrogen atom. Given c = 3xx10^(8)" ms"^(-1), R_(H) = 1.09678 xx 10^(7) m^(-1), h = 6.6256 xx 10^(-34)" J s"^(-1)

The reaction 2H_2O (l) rarr 4H^+ +O2+2e^-

The frequency of radiation emitte when the electron falls from 'n=4' to 'n=1' in 'a' hydrogen atom will be (given ionization energy of 'H=2.1810^(-18) J' atom '^(-1)' and 'h=' '6.625 xx 10^(-34)' Js)

What is the energy in joules required to shift the electron of the hydrogen atom from the first Bohr orbit to the fifth Bohr orbit and what is the wavelength of the light emitted when the electron returns to the ground state? The ground state electron energy is -2.18xx10^(-11) ergs. (1erg=10^(-7)J)

Calculate the energy of a radiation having a wavelength of '4000 A (h=6.6 xx 10^(-34)) J s)'

Calculate the standard reduction potential for the reaction H_2O+ e to 1/2 H_2+OH^- using the Nernst equation and the fact that the standard reduction potential for the reaction H^+ + e to 1/2 H_2 is by definition equal to 0.00V at 25^@C