NMR Spectroscopy When placed in a magnetic field, all the random spins of the nuclei reverse direction stop rotate to 90° away from the induced field align with the magnetic field reverse direction stop rotate to 90° away from the induced field align with the magnetic field ANSWER DOWNLOAD EXAMIANS APP
NMR Spectroscopy All hydrogen atoms resonate at different frequencies depending on their environment. have the same resonance frequency are attached to carbon resonate at about the same frequency as carbon resonate at different frequencies depending on their environment. have the same resonance frequency are attached to carbon resonate at about the same frequency as carbon ANSWER DOWNLOAD EXAMIANS APP
NMR Spectroscopy What is used to cool the superconducting coil? Liquid helium Hydrogen Dry ice Ice Liquid helium Hydrogen Dry ice Ice ANSWER DOWNLOAD EXAMIANS APP
NMR Spectroscopy Coupling causes the peaks in 1H NMR spectra to be split into multiple peaks equal to the number of hydrogens on surrounding atoms two peaks multiple peaks equal to the number of surrounding carbon atoms multiple peaks equal to the number of hydrogen on surrounding atoms, plus one multiple peaks equal to the number of hydrogens on surrounding atoms two peaks multiple peaks equal to the number of surrounding carbon atoms multiple peaks equal to the number of hydrogen on surrounding atoms, plus one ANSWER DOWNLOAD EXAMIANS APP
NMR Spectroscopy Better understanding of the nuclei is possible, with the help of wavelength spectrum with the help of frequencies ranges with the help of a mathematical translator called the fourier transfer algorithm None of these with the help of wavelength spectrum with the help of frequencies ranges with the help of a mathematical translator called the fourier transfer algorithm None of these ANSWER DOWNLOAD EXAMIANS APP
NMR Spectroscopy Why is it important to use a deuterated solvent? They dissolve polymer the fastest So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition NMR uses least of this solvent Expensive solvents work best with NMR They dissolve polymer the fastest So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition NMR uses least of this solvent Expensive solvents work best with NMR ANSWER DOWNLOAD EXAMIANS APP
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