AP Chemistry
3.11 Spectroscopy and the Electromagnetic Spectrum
An atmospheric chemist uses infrared ( ext{IR}) spectroscopy to analyze gas emissions containing ext{H}_2 ext{O(g)} and ext{SO}_2 ext{(g)} collected near a volcanic vent. Which of the following correctly identifies the microscopic change that occurs when these molecules absorb ext{IR} radiation and provides the valid justification?
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