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1. Chlorofluorocarbons (CFCs) are of interest because of their ability to destroy ozone molecules. A carbon-chlorine bon din the CFC molecule can be broken by sunlight, leaving a highly reactive free radical which then goes on to destroy the surrounding ozone molecules. The energy of a C-Cl bond is 328 kJ/mole. Calculate the wavelength of light needed to break a bond in a single molecule. In which region of the spectrum (infrared, visible, UV) does this wavelength fall

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Answer:

See explanation

Explanation:

Energy of the photon (E) = 328 * 10^3/6.02 * 10^23 = 5.45 * 10^-19 J

Recall that E = hc/λ

h = Plank's constant = 6.36 * 10^-34 Js

c = speed of light = 3 * 10^8 m/s

λ = ??

λ = hc/E

λ = 6.36 * 10^-34 * 3 * 10^8/5.45 * 10^-19

λ = 3.5 * 10^-7 m

This falls into the UV region of the spectrum

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