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Theory and Background of Infrared Spectroscopy organic lab report What is infrared light and why can molecules absorb IR? What are wavenumbers? Most common wavenumber for IR anaylsis? What is the most useful wavelength region for structural determination? What role IR spectroscopy plays in modern chemistry? Give appox. IR peak ranges C(sp3)-H stretching; C(sp2)-H stretching; C(sp)-H streching O-H stretching alcohol and carboxylic acid C=C stretching C=O stretching (aldehyde/ketone/carboxylic acid)
Why would the quantative analysis on Ethanol in spirits be difficult to do with infrared spectroscopy (IR) vs doing with Raman?
2. a. In infrared spectroscopy, what property or properties of a chemical bond determine the frequency (i.e. the wavenumber) of a peak in the IR spectrum of a molecule? b. In infrared spectroscopy, what property or properties of a chemical bond determine the intensity of absorption (i.e. the size) of a peak in the IR spectrum of a molecule?
There is no standard definition of what a community policing model should look like. Why does implementation vary wildly across agencies? Does this compound the problems relating to evaluation of the community policing model?
Why Cytochrome-c-oxidase is more difficult to measure with near-infrared spectroscopy than hemoglobin? (lpt) 5.
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2. What is the name of the common unit used in infrared spectroscopy and how is the unit related to the frequency ν? 3. What is the typical range for the IR spectrum (using the unit in Question2!)? 4. What are the two molecules in the air that contribute significantly to the infrared background spectrum? 5. What is the approximate wavenumber of the functional group region
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(5 points) Identify two advantages of using Raman spectroscopy over Infrared spectroscopy for chemical analysis.