why do relative absorbance rise and dip
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why the traces of relative absorbance may be similar or different
Do you think that the rise in social media popularity and the relative decrease in face-to-face interactions and relationships is related to the increasing rates of suicide in our society? Why or why not? Explain your answer.
Explain why in a multiplier model a rise in household wealth relative to target will ceteris paribus shifts the AD curve upwards and raise output.
When using a spectrometer to measure the absorbance as a function of concentration, why do we have to plot our calibration curve at the maximum wavelength (lambda max)? I know it's to get the highest point of absorbance and therefore ensure high sensitivity, but how does it affect my answers on the calibration curve? what if I didn't use lambda max?
27. To the right is the Keeling curve which measures atmospheric CO2 levels. Why do the levels of CO2 dip in May and rise in October? Monthly moan CO, concentration Maue loe 1968-2017 Seasonal variation Monten
Why do we use absorbance to monitor the reaction rate? (in an experiment with crystal violet). Is the correct answer a, b, c, or d? a. Crystal violet is poisonous and cannot be titrated b. Spectrophotometery is an inexpensive method c. Crystal violet and basic phenolphthalein are colored solutions d. All of the above
Why do you think depression and anxiety are on the rise, and what stress coping mechanisms do you think are best?
Why do masses of partially melted rock or magma rise or intrude the surrounding rocks?
Why are molecular absorbance spectra broad, while atomic absorbance spectra are narrow (“lines”)? What are the major components of an absorbance instrument and what are their roles in spectral acquisition? Are absorbance measurements more qualitative or quantitative in nature (what useful information can we get from them)?
515nm - 0.59 absorbance 610nm- 0.05 absorbance 475nm - 0.40 absorbance Of the three wavelengths measured in Part I, which gives the maximum absorbance? Does it make sense? Why or why not?