FT IR Spectroscopy In scanning electron microscopy None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal a specimen is not fixed and then coated with thin layer of a heavy metal ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids 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 processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster None of these The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster 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 None of the above By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 2 3 6 4 2 3 6 4 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 - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these ANSWER DOWNLOAD EXAMIANS APP
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