Spectroscopy Which of the following relationships between absorbance and %transmittance is incorrect? A = 2 - log10 %T All are correct A = log10 1 / T A = log10 100 / %T A = 2 - log10 %T All are correct A = log10 1 / T A = log10 100 / %T ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy In the past, IR spectra had to be aquired one wavelength at a time, which took a long time. Today quick spectra is due to the light is faster today that it used to be the Fourier Transfer Algorithm allows us to scan all frequencies at once absence of broad spectrum of wavelenth None of these light is faster today that it used to be the Fourier Transfer Algorithm allows us to scan all frequencies at once absence of broad spectrum of wavelenth None of these ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy In the equation, A = ε bc, what quantity is represented by "ε"? None of these Path length Molar absorbtivity Absorbtivity None of these Path length Molar absorbtivity Absorbtivity ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? Because the lamp will only function at a specific voltage Because if it wasn't, the lamp would bum out All of these Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage Because the lamp will only function at a specific voltage Because if it wasn't, the lamp would bum out All of these Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Beer's Law states that absorbance is proportional to both the path length and concentration of the absorbing species absorbance is proportional to the log of the concentration of the absorbing species None of these absorbance is equal to P0 / P absorbance is proportional to both the path length and concentration of the absorbing species absorbance is proportional to the log of the concentration of the absorbing species None of these absorbance is equal to P0 / P ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following is not an IR vibrational mode? Rolling Scissoring Rocking Stretching Rolling Scissoring Rocking Stretching ANSWER DOWNLOAD EXAMIANS APP
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