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  1. AP Chemistry
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Intermolecular Forces and Properties

Question 1
college-boardChemistryAPExam Style
1 mark

According to the Beer-Lambert law, what factor can be modified to enhance the sensitivity of a measurement?

Question 2
college-boardChemistryAPExam Style
1 mark

If a scientist hypothesizes that the molar absorptivity of a colored solution changes with temperature, what experimental setup would best test this hypothesis while adhering to the Beer-Lambert Law?

Question 3
college-boardChemistryAPExam Style
1 mark

The percent transmittance is the percentage of light ____.

Question 4
college-boardChemistryAPExam Style
1 mark

Derive the units of the molar absorption coefficient in the Beer-Lambert law given that the units of concentration are M and the units for the path length are cm.

Question 5
college-boardChemistryAPExam Style
1 mark

What change should you expect in an experiment's results if there are impurities present that also absorb light at the wavelength used for analysis?

Question 6
college-boardChemistryAPExam Style
1 mark

How will leaving fingerprints on the cuvette affect the measured concentration of an unknown substance?

Question 7
college-boardChemistryAPExam Style
1 mark

What is represented by ε in A=εlc where A is absorbance?

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Question 8
college-boardChemistryAPExam Style
1 mark

If a scientist wants to determine the concentration of copper(II) sulfate in a solution by measuring its absorbance, which color of light would be most appropriate for this measurement?

Question 9
college-boardChemistryAPExam Style
1 mark

How would increasing the path length of a cuvette impact the absorbance measured for a solution with a fixed concentration according to the Beer-Lambert Law?

Question 10
college-boardChemistryAPExam Style
1 mark

Beer-Lambert law is not applicable if _____.