Is the bond length in HCl the same as that in DCl? The wavenumbers of the J

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Is the bond length in HCl the same as that in DCl? The wavenumbers of the J = 1 ← 0 rotational transitions for H35Cl and 2H35Cl are 20.8784 and 10.7840 cm−1, respectively. Accurate atomic masses are 1.007825 u and 2.0140 u for 1H and 2H, respectively. The mass of 35Cl is 34.96885 u. Based on this information alone, can you conclude that the bond lengths are the same or different in the two molecules?

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Physical Chemistry

ISBN: 9780716787594

8th Edition

Authors: Peter Atkins, Julio De Paula

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