FT IR Spectroscopy How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 3 4 6 2 3 4 6 2 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample? Spin - lattice relaxation Spin - spin relaxation Spin - spin - spin relaxation None of these Spin - lattice relaxation Spin - spin relaxation Spin - spin - spin relaxation None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the both (a) and (b) frequency domain none of these time domain both (a) and (b) frequency domain none of these time domain ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids All of these identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids All of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? None of these The nucleus spins faster The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field None of these The nucleus spins faster The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Fourier transformation Measurement of peak areas By use of a Michelson interferometer None of the above Fourier transformation Measurement of peak areas By use of a Michelson interferometer None of the above ANSWER DOWNLOAD EXAMIANS APP
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