Question

1. Radiation in the ultraviolet region of the electromagnetic spectrum is quite energetic. It is this radiation that causes dyes to fade and your skin to develop a sunburn. If you are bombarded with 1.00 mol of photons with a wavelength of 355 nm, what amount of energy, in kilojoules per mole of photons, are you being subjected to?

Energy = ____ kJ/mol

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2. Calculate the wavelength and frequency of light emitted when an electron changes from N=6 to N=3 in the H atom.

Wavelength = ___ m

Frequency = ___ s^-1