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O2 molecules can dissociate to form O atoms by absorbing electromagnetic radiation. If it takes 498 kJ to
dissociate one mole of O₂ molecules to form two moles of O atoms, what is the frequency of the light that wo
have just enough energy to decompose a single O₂ molecule into O atoms?
(1 mol = 6.022x1023 photons, h = 6.626x10-34 J.s, C = 3.00x108 m/s)
(a) 1.25 x 1015 S-1
(b) 8.27 x 10-19 -1
(c) 7.52 x 1038 5-1
(d) 8.0 x 10-16 5-1
(e) 5.72 x 1016 S-1?
Sagot :
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