The ionization energy of `He^+ is 8.72 xx 10^(-18)J` atom `^(-1)` Calcualte the energy of first stationary state of `Li^(2+)`

If the ionization energy of He^(+) is 19.6xx10^(-18) J per atom then the energy of Be^(3+) ion in the second stationary state is :

The ionization energy of H atom is 13.6 eV. what is the energy of Li2+ ion in first excited state.

How will you calculate the energy and radius of H-atom in stationary state by Bohr's theory?

Energy of an electron in the ground state of the hydrogen atom is -2.18xx10^(-18)J . Calculate the ionization enthalpy of atomic hydrogen in terms of J mol^(-1) .

The rate constant of a reaction is 1.5 xx 10^7 sec^(-1) at 50^@ C and 4.5 xx 10^7 sec^(-1) at 100^@ C . Calculate energy of the activation for the reaction.

The total energy of an electron in the first excited state of the hydrogen atom is about -3.4 eV. (A) What is the kinetic energy of the electron in this state? (B) What is the potential energy of the electron in this state? (C) Which of the answers above would change if the choice of the zero of potential energy is changed?

The rate constant of a reaction is 1.2 xx10^-3 sec^-1 at 30^@C and 2.1xx10^-3 sec^-1 at 40^@C . Calculate the energy of activation of the reaction.

Ground state energy of H-atom is (E_(1)) ,t he velocity of photoelectrons emitted when photon of energy E_(2) strikes stationary Li^(2+) ion in ground state will be:

At which temperature will the translational kinetic energy of H-atom equal to that for H-atom of first line Lyman transition? (Given N_(A)=6xx10^(23) )