Homework Help: Chemistry

Posted by franz on Sunday, October 30, 2011 at 11:11am.

It takes 208.4 kJ of energy to remove 1 mole of electrons from 1 mole of atoms on the surface of rubidium metal. How much energy does it take to remove a single electron from an atom on the surface of solid rubidium in Joules?

What is the maximum wavelength of light capable of doing this in nanometers?

Chemistry - DrBob222, Sunday, October 30, 2011 at 1:37pm
208,400/6.022E23 = Energy/atom.
Eatom = hc/wavelength. Solve for wavelength, in meters, and convert to nm.

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