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- Which of the following is the function of the Flame or Emission system in Atomic Absorption Spectroscopy? Choose the best answer. To heat the sample To break the atoms by heating To split the atoms into particles To reduce the sample into atomic vapor stateTrue or False 1. Photodiode arrays are devices within the instrument that help amplify the signal of a sample. 2. Atomic spectroscopy requires the atomization of a sample, which involves nebulization and eventually volatilization to form an elemental vapor. 3. Organic compounds are normally analyzed in atomic spectroscopy despite their small electronic transition range.2. What are the classes of absorption spectroscopy?
- Which of the following statements concerning spectroscopy is correct? A) Concentration of a solution is directly proportional to the % of photons transmitted. B) Salt plates are often used in IR spectroscopic measurements because they are transparent in that region. C) Molar absorptivity is a constant for given species, regardless of concentration or wavelength. D) Fluorescence excitation is usually red-shifted from emission wavelength. E) 2 or more statements are correct. The absorbed energy to enable vibrational level transition falls within which wavelength range A) radio wave B) microwave C) IR D) X-ray E) UV and visiblewhat is Spectroscopy? describe and explain it's purposeIn IR spectroscopy, please shortly explain what is a sample? Please answer at your own words.
- A sample of a red dye and a sample of a blue dye both have the same concentration. Their Absorbance is measured using the same spectrophotometer. At a particular wavelength, will both samples give the same Absorbance reading? Why or why not?the shielding in NMR is: a) Place a metal around the sample tube before staining it on the instrument.b) use a metal block to avoid being attacked by an opponentc) blocking the view of a participant in a concertd) when the magnetic moment of an atom blocks the induced magnetic moment of neighboring nuclei1. TRUE OR FALSE a) Organic compounds are normally analyzed in atomic spectroscopy despite their small electronic transition range. b) Atomic spectroscopy can detect both absorption and emission radiation as electrons move from HOMO to LUMO.
- Determine the structure for the molecule that most likely produced these spectra. Use all picturesDetermine whether the following statements about infrared spectroscopy is true or false. (Statements given in picture attached)Flame test is an example of whatb type of atomic spectroscopy? Emmsion Absorption Fluorescence Phosphoresence
