homework5

Nevertheless deuterated molecules have been detected

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Unformatted text preview: ­H2:para ­H2 as a function of T. At what temperature is the ratio 1:1? #3. Deuterium. [15 points] Deuterium is rare in the ISM – the primordial D/H ratio was ~2✕10−5 and D has only been destroyed by stars. Nevertheless, deuterated molecules have been detected. Assuming that the H−X bond (where X is a heavy atom or radical) oscillates at angular frequency ω, compute: (a) The frequency of oscillation of the D−X bond. (b) The difference in ground state energies of the hydrogenated versus deuterated molecule. (c) The equilibrium constant of the...
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