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← ScienceWhich consequence results when excessive vibrational energy excites molecular nitrogen?
A)Increased thermal IR emission✓
B)Enhanced diamagnetic susceptibility
C)Nitrogen condensation to liquid
D)Decreased triple-point temperature
💡 Explanation
Increased vibrational energy causes increased atomic motion, resulting in blackbody radiation, because the excited molecules undergo bond vibrations, releasing energy via thermal photons; therefore thermal IR emission increases, rather than a phase shift or a change in magnetic properties.
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