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2. Ultraviolet light emitted by the sun has wavelengths between 200 nm and 400 nm. Visible light is between 400 nm and 700 nm. Will a photon of ultraviolet light from the sun break the chemical bond in an oxygen molecule, which has an energy of 494 k.J/mol? Will a photon of visible light break this bond?

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Ultraviolet light will break and visible light won't break.

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