Homework Help: chemistry

Posted by gine on Saturday, October 6, 2012 at 5:42pm.

The first ionization energy of a hydrogen atom is 2.18 aJ. Assuming the ionization efficiency is 82%, how many such photons are needed to 1.00 * 10^16 atoms?

chemistry - DrBob222, Saturday, October 6, 2012 at 8:25pm
Is that 2.18 J/atom?
2.18/0.82 = 2.66 J/atom required.
2.66 x 1E16 = ?

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