Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 2.2, Problem 1CS
Core Skill: Modeling The goal of this modeling challenge is to apply your understanding of molecular structure and propose a model for carbon dioxide.
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Exercise C: Spectrophotometry
Watch this video to learn how a spectrophotometer works. For additional information, you can read about using a spectrophotometer in your textbook’s “BioSkills 8: Using Spectrophotometry”.
A spectrophotometer was used to determine the absorbance of 2 pigments between 400 nm and 710 nm, the range of wavelengths that is associated with visible light. The table below contains the absorbance values for each pigment (“Pigment 1” and “Pigment 2”) at wavelengths separated by approximately 10 nm.
Wavelength
Pigment 1
Pigment 2
400
0.097
0.117
410
0.088
0.127
420
0.099
0.143
430
0.113
0.158
440
0.129
0.181
450
0.158
0.184
460
0.145
0.171
470
0.085
0.164
480
0.041
0.143
490
0.024
0.089
500
0.022
0.048
510
0.019
0.023
520
0.018
0.014
530
0.020
0.010
540
0.019
0.008
550
0.020
0.008
560
0.022
0.009
570
0.023
0.008…
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Chapter 2 Solutions
Biology
Ch. 2.1 - Before the experiment conducted by Ernest...Ch. 2.1 - What was the hypothesis tested by Rutherford?Ch. 2.1 - Prob. 3EQCh. 2.1 - Explain the difference between an electron shell...Ch. 2.2 - Core Skill: Modeling The goal of this modeling...Ch. 2.2 - Prob. 1CCCh. 2.3 - When oil dissolves in a soapy solution, where is...Ch. 2.4 - Core Skill: Connections Look ahead to Figure...Ch. 2 - _______________ make(s) up the nucleus of an atom....Ch. 2 - Prob. 2TY
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