Chemistry, 10.06.2020 23:57 oliviaprejean18

Ultraviolet photon (λ = 58.4nm) from a helium gas discharge tube is absorbed by a hydrogen molecule which is at rest. Since momentum is conserved, what is the velocity of the hydrogen molecule after absorbing the photon? What is the translational energy of the hydrogen molecule in Jmol-1. [h = 6.626 x 10-34 Js; NA = 6.022 x 1023 mol-1]

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