![Classify the normal modes of the following molecules as infrared and/or Raman active. 1. H_2O 2. H_2CO | Homework.Study.com Classify the normal modes of the following molecules as infrared and/or Raman active. 1. H_2O 2. H_2CO | Homework.Study.com](https://homework.study.com/cimages/multimages/16/water_modes50576202143709278.png)
Classify the normal modes of the following molecules as infrared and/or Raman active. 1. H_2O 2. H_2CO | Homework.Study.com
![Indicate whether the depicted vibration is active or inactive in the IR spectrum. | Homework.Study.com Indicate whether the depicted vibration is active or inactive in the IR spectrum. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/sulphur_di9177499287980986114.png)
Indicate whether the depicted vibration is active or inactive in the IR spectrum. | Homework.Study.com
![Understanding Infrared and Raman Spectra of Pharmaceutical Polymorphs | American Pharmaceutical Review - The Review of American Pharmaceutical Business & Technology Understanding Infrared and Raman Spectra of Pharmaceutical Polymorphs | American Pharmaceutical Review - The Review of American Pharmaceutical Business & Technology](https://media.americanpharmaceuticalreview.com/m/28/article/37183-fig1.jpg)
Understanding Infrared and Raman Spectra of Pharmaceutical Polymorphs | American Pharmaceutical Review - The Review of American Pharmaceutical Business & Technology
![SOLVED: Define whether the following vibrational modes of CO2 and NO2 are IR active or not. A weak signal is considered active: Symmetric stretch: 0=C=0 Asymmetric stretch: 0-C=0 In-plane bending: 0 Out-of-plane SOLVED: Define whether the following vibrational modes of CO2 and NO2 are IR active or not. A weak signal is considered active: Symmetric stretch: 0=C=0 Asymmetric stretch: 0-C=0 In-plane bending: 0 Out-of-plane](https://cdn.numerade.com/ask_images/1343157167ab4a7e89098d2c8942220d.jpg)