When a molecule absorbs a photon, momentum is conserved. If an H 2 molecule at 500. K
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When a molecule absorbs a photon, momentum is conserved. If an H2 molecule at 500. K absorbs an ultraviolet photon of wavelength 175 nm, what is the change in its velocity, Δv?
Given that its average speed is v rms = √3kBT/m, what is ∆v/v rms?
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