The Spacing of the Atoms (Treated as Point Masses) in the H₂

question 22

Multiple Choice

The spacing of the atoms (treated as point masses) in the H₂ molecule is 7.4 x 10^-11 m. What is the energy of the l = 1 rotational level? (1 eV = 1.60 × 10^-19 J, h = 6.626 × 10^-34 J ∙ s, = 1.055 × 10^-34 J ∙ s, ^mH ≈ ^mproton = 1.67 × 10^-27 kg)

• A) 0.090 eV
• B) 0.070 eV
• C) 0.045 eV
• D) 0.030 eV
• E) 0.015 eV

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