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    Energy of visible photos and breaking of the bond in AgI

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    The silver iodine bond energy is approx 255kJ/mol. (AgI is one of the active components in photography sunglasses). What is the longest wavelength of light capable of breaking the bond in silver iodine?

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    Bond eneregy = 255*10^3 joules/mol. The incoming photons must be able to supply this much amount of energy per mole to completely break the bonds.

    This is for one mole; but ...

    Solution Summary

    The process is key to the sensitivity of photographic films. A detailed explanation is given.