What Is the Wavelength of a Photon Needed to Dissociate

question 95

Multiple Choice

What is the wavelength of a photon needed to dissociate an S₂ molecule whose bond energy is 226 kJ/mol (h = 6.63 × 10^-34J s; c = 3.0 × 10⁸m/s; and Avogadro's number = 6.022 × 10²³ molecules/mole) ?

• A)90 nm
• B)2.71 nm
• C)5.3 × 10⁵ nm
• D)9.0 × 10⁴ nm
• E)530 nm

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