**Define the following terms:**- **Spectrophotometer:** An instrument used to measure the amount of light that a sample absorbs by determining the intensity of light as a function of color (wavelength).- **Absorbance:** A measure of the amount of light absorbed by a sample.- **Pathlength:** The distance that light travels through a sample.- **ε (Molar Absorptivity):** A constant that indicates how strongly a substance absorbs light at a given wavelength.- **Concentration:** The amount of a substance present in a given volume of solution.- **Transmittance:** The fraction of incident light that passes through a sample.- **Beer’s Law:** A relationship that relates the absorbance of a sample to its concentration, pathlength, and molar absorptivity.

Spectrophotometer: Spectrophotometer is an instrument that measures the amount of photons i.e.,…

Answered: Define the following terms:…

Define the following terms: spectrophotometer, absorbance, pathlength, & (also known as molar absorptivity), concentration, transmittance, Beer's law.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

**Define the following terms:**

- **Spectrophotometer:** An instrument used to measure the amount of light that a sample absorbs by determining the intensity of light as a function of color (wavelength).

- **Absorbance:** A measure of the amount of light absorbed by a sample.

- **Pathlength:** The distance that light travels through a sample.

- **ε (Molar Absorptivity):** A constant that indicates how strongly a substance absorbs light at a given wavelength.

- **Concentration:** The amount of a substance present in a given volume of solution.

- **Transmittance:** The fraction of incident light that passes through a sample.

- **Beer’s Law:** A relationship that relates the absorbance of a sample to its concentration, pathlength, and molar absorptivity.

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