Spectroscopy Molar absorbtivities of compounds exhibiting charge transfer absorption are moderate none of these large small moderate none of these large small ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Which of the following relationships between absorbance and %transmittance is incorrect? A = log10 1 / T A = log10 100 / %T All are correct A = 2 - log10 %T A = log10 1 / T A = log10 100 / %T All are correct A = 2 - log10 %T 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
Spectroscopy Beer's Law states that absorbance is proportional to both the path length and concentration of the absorbing species None of these absorbance is equal to P0 / P absorbance is proportional to the log of the concentration of the absorbing species absorbance is proportional to both the path length and concentration of the absorbing species None of these absorbance is equal to P0 / P absorbance is proportional to the log of the concentration of the absorbing species ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why must the voltage supplied to a tungsten lamp be very stable? All of these 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 Because if it wasn't, the lamp would bum out All of these 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 Because if it wasn't, the lamp would bum out ANSWER DOWNLOAD EXAMIANS APP
Spectroscopy Why is it generally preferable to use absorbance as a measure of absorption rather than % transmittance? 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 Because %T cannot be measured as accurately as absorbance ANSWER DOWNLOAD EXAMIANS APP
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