Asked by adly

the energy required to break one mole of chlorine- chlorine bonds in Cl2 is 242 kj/mol. what is the longest wavelength of light capable of breaking a single Cl-Cl bond?

13 years ago

Answered by DrBob222

242 kJ/mol. Convert t J and divide by 6.022E23 to convert to 1 molecule. Then
E = hc/wavelength

13 years ago

Answered by adly

Thank you I got 494 nm

13 years ago

Answered by DrBob222

I may may have punched in a wrong number on my calculator but I obtained 494.65 nm which would round to 495 nm.

13 years ago

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