3.13 Beer-Lambert Law

Presentation

•

Chemistry

•

12th Grade

•

Hard

•

NGSS

HS-PS4-4, HS-PS1-5, HS-PS4-1

Standards-aligned

Tim Haberfield

FREE Resource

6 Slides • 10 Questions

Multiple Choice

What does the Beer-Lambert Law relate to in terms of light absorption?

Temperature

Concentration

Pressure

Volume

Multiple Choice

Concentration is

the amount of solute in the solvent

the amount of solvent in the solute

density

particle size

Multiple Choice

What does a spectroscope measure?

Light absorption

Temperature

Pressure

Volume

Multiple Choice

What is the highest absorption peak for the permanganate ion (MnO4-) as shown in the graph?

480 nm

525 nm

600 nm

700 nm

Multiple Choice

Which of the following colors of light has the longest wavelength?

orange

green

blue

violet

Multiple Choice

Which type of spectra measures the light that a gas absorbs and produces dark lines?

Absorption spectra

Emission spectra

Continuous spectra

Multiple Choice

Which has the longer wavelength...red or green light?

red light

green light

not enough information to answer the question

Multiple Choice

What does the Beer-Lambert Law state about the relationship between absorbance and concentration?

Absorbance is inversely proportional to concentration

Absorbance is directly proportional to concentration

Absorbance is independent of concentration

Absorbance decreases as concentration increases

Multiple Choice

What is the concentration of the solution at an absorbance of 0.8?

0.001M

0.002M

0.00225M

0.003M

Multiple Choice

What does the Beer-Lambert Law demonstrate in spectroscopy?

A linear relationship between concentration and absorbance

A quadratic relationship between concentration and absorbance

No relationship between concentration and absorbance

An exponential relationship between concentration and absorbance

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