FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are different terms for the same frequency same terms for the different frequency different terms for the different frequency same terms for the same frequency different terms for the same frequency same terms for the different frequency different terms for the different frequency same terms for the same frequency 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 relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Why is it advantageous to record many FID signals from the same sample and then add them together? None of these To ensure that all target nuclei in the sample have been excited To increase sensitivity To remove inaccuracies caused by fluctuations in the applied magnetic field None of these To ensure that all target nuclei in the sample have been excited To increase sensitivity To remove inaccuracies caused by fluctuations in the applied magnetic field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Cytochrome C has an isoelectric pH of 7.5 11.05 8.5 10.05 7.5 11.05 8.5 10.05 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? 4 2 3 6 4 2 3 6 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What does the Michelson interferometer do? Selectively filter certain wavelengths from a beam of I.R. radiation None of these Split a polychromatic beam of radiation into its component wavelengths Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector Selectively filter certain wavelengths from a beam of I.R. radiation None of these Split a polychromatic beam of radiation into its component wavelengths Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS