What Is the Wavelength of a Photon Needed to Dissociate

question 91

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 × 10²³molecules/mole) ?

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

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