Asked by alexis

It requires 945.0 kJ/mol to break N2 molecules into atoms. Calculate the maximum wavelength of light that will still break these molecules apart.

I tried converting the energy to kj and using E=hc/wavelength but that didn't give me the right answer...

Answers

Answered by DrBob222
First you need to determine the energy required to break "one molecule" of nitrogen. You know how much is required to break 6.022E23 molecules(1 mole), so divide that 945,000 J/6.022E23 to find for 1 molecule. Then apply the E = hc/wavelength and see if that doesn't give you the correct answer.
Answered by alexis
it did work, thanks!
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