`1` mol of `He^(+)` ion is excited. Spectral analysis showed existence of `50%` ions in `3rd` level, `25%` in `2nd` level and remaining `25%` in ground state. Ionization energy of `He^(+)` is `54.4 eV`, calculate total energy evolved when all the ions retirn ground state.

One mole of He^(o+) ions is excited .An analysis showed that 50% of ions are in the third energy level 25% are in the second energy level and the remaining are in the first energy level .Calculate the energy emitted in kilojoules when all the ions return to the ground state

One mole of He^(o+) ions is excited. An anaylsis showed that 50% of ions are in the third energy level 25% are in the second energy level and the remaining are in the first energy level. Calculate the energy emitted in kilojoules when all the ions return to the ground state.

One mole of He^(o+) ions is excited .An anaylsis showed that 50% of ions are in the third energy level 25% are in the second energy level and the remalining ary in the first energy level .Calculate the energy emitted in kilojoules when all the ions return to the ground state

2g of Hydrogen atoms are excited to radiation. The study of spectra indicated 25% of atoms are in III^(rd) energy level and 20% atoms in II^(nd) energy level and rest in ground state. Calculate the total energy evolved when atoms return to ground state.

2g of Hydrogen atoms are excited to radiation. The study of spectra indicated 25% of atoms are in III^(rd) energy level and 20% atoms in II^(nd) energy level and rest in ground state. Calculate the total energy evolved when atoms return to ground state.

1.8 g of hydrogen is excite by irradiation. The study of spectra indicated that 27 % of the atoms are in the first excite state, 15 % of the aton in the second excited, and the rest in the ground state. The ground stat, ionization energy of hydrogen atom is 21.4 xx 10^(-12) ergs. The total amount of energy that would be evolved when all the atoms returns to the ground state is

The ground state energy of hydrogen atom is -13.6 eV . The energy of second excited state of He^(+) ion in eV is

The ground state energy of hydrogen atom is -13.6 eV . The energy of second excited state of He^(+) ion in eV is

1.8 g hydrogen atoms are excited to radiation .The study of spectra indicate that 27% of the atom are in third energy level and 15 % of atom in second energy level and the rest in ground state. IP of H is 13.6 eV . Calculate a. Number of atom present in first and third energy levels b. Total energy envolved when all the atom return to the ground state