Question 10 100 - 80 - 60 40 Ethis tall line is the border of the spectrum. It is not a peak from the co 20 - o tmntm 25 50 75 100 125 m/z The compound which gave rise to this mass spectrum is most likely to: contain only carbon, hydrogen, and oxygen contain chlorine O contain bromine O rontain only carbon and hydrogen Relative Intensity

Question 10 100 - 80 - 60 40 Ethis tall line is the border of the spectrum. It is not a peak from the co 20 - o tmntm 25 50 75 100 125 m/z The compound which gave rise to this mass spectrum is most likely to: contain only carbon, hydrogen, and oxygen contain chlorine O contain bromine O rontain only carbon and hydrogen Relative Intensity

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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1: Determine nominal m/z value peak 2: Assign the X+2 elements except oxygen (Br, Cl, Si, S) FIRST 3: Assign the X+1 elements (C & N) If N is known to be present, start with N remember to normalize X+1 to X, if necessary (when the X peak is not the base peak in the isotopic cluster) 4: Assign the atoms of oxygen after assigning number of C atoms because of the X+2 contribution from carbon6 can influence the assignment of the number of O atoms 5: Assign the X elements (hydrogen7 , F, P, I) 6: From the elemental composition, determine R+db 7: Propose a possible structure
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A researcher is studying cytochrome oxidase, a protein that uses iron to bind diatomic oxygen. She collects two IR spectra, shown below. In the first spectrum, no isotopic labeling is used (top). In the second, 160 has been replaced with 180 (bottom). 820 655 790 0.5- 714 695 733 820 655 755 0.5- 714 695 733 0- 600 650 700 750 800 850 Vo (cm") Based on the above ratio, which is the most likely source of this vibration, (a) the Fe-O stretch in Fell-O=0, or (b) the O-O stretch in Fell-O=O? You can assume that the atomic weight of Fe is 56. % Transmission
Question 10 100- 80 - 60- 40 - this tall line is the border of the spectrum. It 20- 50 75 100 125 m/z The compound which gave rise to this mass spectrum is most likely to: contain only carbon, hydrogen, and oxygen O contain chlorine contain bromine O contain only carbon and hydrogen 16 4 Relative Intensity