In a future hydrogen-fuel economy, the cheapest source of H2 will certainly be water. It
Chapter 9, Problem 9.89(choose chapter or problem)
In a future hydrogen-fuel economy, the cheapest source of H2 will certainly be water. It takes 467 kJ to produce 1 mol of H atoms from water. What is the frequency, wavelength, and minimum energy of a photon that can free an H atom from water?
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