Homework Help: Chemistry

Posted by Sarah on Tuesday, January 24, 2012 at 6:18pm.

Calculate the energy (in kJ/mol) required to remove the electron in the ground state for each of the following one-electron species using the Bohr model.
(a) He+

kJ/mol

(b) Li2+
kJ/mol

Chemistry - DrBob222, Tuesday, January 24, 2012 at 8:41pm
For He^+,
E = 2.180E-18 J*Z^2(1/n²)
Z is the atomic number of He. n is the principal quantum number of the for the one remaining electron. This will give you J per photon. You need to multiply by 6.02E23 for J/mol then convert to kJ/mol.

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