Spectroscopy In the equation, A = ε bc, what quantity is represented by "ε"? Path length Absorbtivity Molar absorbtivity None of these Path length Absorbtivity Molar absorbtivity None of these ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why is it generally preferable to use absorbance as a measure of absorption rather than % transmittance? Because %T cannot be measured as accurately as absorbance Because absorbance is proportional to the concentration of the analyte, whereas %T is not Because %T is dependant on the power of the incident radiation None of these Because %T cannot be measured as accurately as absorbance Because absorbance is proportional to the concentration of the analyte, whereas %T is not Because %T is dependant on the power of the incident radiation None of these ANSWER DOWNLOAD EXAMIANS APP
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 the Fourier Transfer Algorithm allows us to scan all frequencies at once light is faster today that it used to be None of these absence of broad spectrum of wavelenth the Fourier Transfer Algorithm allows us to scan all frequencies at once light is faster today that it used to be None of these absence of broad spectrum of wavelenth ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following is not an IR vibrational mode? Rocking Stretching Scissoring Rolling Rocking Stretching Scissoring Rolling ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? Because if it wasn't, the lamp would bum out Because the lamp will only function at a specific voltage Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage All of these Because if it wasn't, the lamp would bum out Because the lamp will only function at a specific voltage Because amount of energy the lamp emits is proportional to the fourth power of the operating voltage All of these ANSWER DOWNLOAD EXAMIANS APP
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