Molecular Vibration: the Vibrational Frequency of an HF Molecule Is

question 10

Multiple Choice

Molecular vibration: The vibrational frequency of an HF molecule is 8.72 × 10¹³ Hz and the reduced mass of the molecule is 1.589 × 10^-27 kg. What is the ground state vibrational energy of an HF molecule? (1 eV = 1.60 × 10^-19 J, ħ = 1.055 × 10^-34 J ∙ s, h = 6.626 × 10^-34 J ∙ s)

• A) 0.12 eV
• B) 0.18 eV
• C) 0.24 eV
• D) 0.30 eV
• E) 0.36 eV

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