BME200_Assignment_Three_2017.pdf

# BME200_Assignment_Three_2017.pdf - BME200 Fall 2017 Problem...

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BME200 Fall 2017- Problem Set #3 Assigned: 9/22/17 Date Due: 9/29/17 at 5 pm to be turned into the BME drop box Please answer these questions on a separate sheet of paper along with your name, assignment number, and student number. 1. What are typical energies for C-N and S-S bonds? Typical distances? 2. What is an electric dipole? List a molecule with a permanent dipole moment. 3. Why do reaction rates depend on temperature? 4. The law governing the absorption of light is the Beer-Lambert Law: A = εCd where A is the absorbance; ε is a constant that depends on the chemical and typically varies with the wavelength of light it is the molar extinction coefficient and is in units of M -1 cm -1 ; C is the concentration of the chemical (in M); and d is the path length. The molar extinction coefficient is defined for a path length of 1 cm. The absorbance is defined as: A = log(I 0 /I) where I 0 is the incident light intensity and I is the transmitted light intensity.

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