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O2 —→ ON + OexcitedO2 —→ ON + ONE = 498 x 103 J / mole= 498 x 103 / 6.023 x 1023J per molecule = 8.268 x 10–19 JEnergy required for excitation = 1.967 eV = 3.146 ´10–19JTotal energy required for photochemical dissociation ofO2= 8.268 x 10–19 + 3.146 x 10–19 = 11.414 x 10–19 J hc/λ = 11.414 x 10–19Jλ = 6.626 x 10-34x 3 x 108 / 11.414 x 10-19= 1.7415 x 10–7 m = 1741.5 Å
O2 —→ ON + Oexcited
O2 —→ ON + ON
E = 498 x 103 J / mole
= 498 x 103 / 6.023 x 1023J per molecule = 8.268 x 10–19 J
Energy required for excitation = 1.967 eV = 3.146 ´10–19J
Total energy required for photochemical dissociation ofO2
= 8.268 x 10–19 + 3.146 x 10–19 = 11.414 x 10–19 J hc/λ = 11.414 x 10–19J
λ = 6.626 x 10-34x 3 x 108 / 11.414 x 10-19= 1.7415 x 10–7 m = 1741.5 Å
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