Chemistry for Changing Times
14th Edition
ISBN: 9780134212777
Author: John W. Hill; Terry W. McCreary
Publisher: Pearson Education (US)
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Chapter 8, Problem 61AP
Interpretation Introduction
Interpretation:
The half reaction should be written for following situation:
Researchers led by Elisabeth bouwman, a chemist a leiden university in the Netherlands, discovered a copper-based catalyst that can convert CO2 from the air to oxalate ion(C2O42-). If CO2is oxidized or reduced in the reaction should be identified.
Concept Introduction:
An oxidant or an oxidizing agent is a substance that gains electron/s and get reduced during the
A reductant or a reducing agent is a substance that loses electron/s and get oxidized during the chemical reaction. It is also recognized as electron donor. Metals are reducing agents with respect to metals. If any element get reduce its oxidation number decreases or become more negative.
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TRANSMITTANCE
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Please identify the one structure below that is consistent with the 'H NMR and IR spectra
shown and draw its complete structure in the box below with the protons alphabetically labeled as
shown in the NMR spectrum and label the IR bands, including sp³C-H and sp2C-H stretch, indicated by
the arrows.
D
4000
OH
LOH
H₂C
CH3
OH
H₂C
OCH3
CH3
OH
3000
2000
1500
HAVENUMBERI-11
1000
LOCH3
Draw your structure below and label its equivalent protons according to the peak labeling that is used
in the NMR spectrum in order to assign the peaks.
Integrals indicate number of equivalent protons. Splitting patterns are: s=singlet, d=doublet, m-multiplet
8
3Hb s
m
1Hd s
3Hf
m 2Hcd
2Had
1He
鄙视
m
7
7
6
5
4
3
22
500
T
1
0
Chapter 8 Solutions
Chemistry for Changing Times
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - 20. Write a balanced reduction half-reaction...Ch. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28PCh. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - Prob. 33PCh. 8 - Prob. 34PCh. 8 - Prob. 35PCh. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - Prob. 39PCh. 8 - Prob. 40PCh. 8 - Prob. 41PCh. 8 - Prob. 42PCh. 8 - Prob. 43PCh. 8 - 44. Tantalum, a metal used m electronic devices...Ch. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Prob. 48PCh. 8 - Prob. 49PCh. 8 - Prob. 50PCh. 8 - Prob. 51PCh. 8 - Prob. 52PCh. 8 - Prob. 53PCh. 8 - Prob. 54PCh. 8 - Prob. 55APCh. 8 - Prob. 56APCh. 8 - Prob. 57APCh. 8 - Prob. 58APCh. 8 - Prob. 59APCh. 8 - Prob. 60APCh. 8 - Prob. 61APCh. 8 - When exposed to air containing hydrogen sulfide,...Ch. 8 - Prob. 63APCh. 8 - Prob. 64APCh. 8 - Prob. 65APCh. 8 - Prob. 66APCh. 8 - Prob. 67APCh. 8 - Prob. 68APCh. 8 - Prob. 69APCh. 8 - Prob. 70APCh. 8 - Prob. 71APCh. 8 - Prob. 72APCh. 8 - Prob. 73APCh. 8 - Prob. 74APCh. 8 - Prob. 75APCh. 8 - Prob. 76APCh. 8 - Prob. 77APCh. 8 - Prob. 78APCh. 8 - Prob. 79APCh. 8 - Prob. 80APCh. 8 - Prob. 8.1CTECh. 8 - Prob. 8.2CTECh. 8 - Prob. 8.3CTECh. 8 - Prob. 8.4CTECh. 8 - Prob. 8.5CTECh. 8 - Prob. 8.6CTECh. 8 - Prob. 8.7CTECh. 8 - Prob. 1CGPCh. 8 - Prob. 2CGPCh. 8 - Prob. 3CGPCh. 8 - Prob. 4CGPCh. 8 - Prob. 5CGPCh. 8 - Prob. 1CHQCh. 8 - Prob. 2CHQCh. 8 - Prob. 3CHQCh. 8 - Prob. 4CHQCh. 8 - Prob. 5CHQ
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- Relative Transmittance 0.995 0.99 0.985 0.98 Please draw the structure that is consistent with all the spectral data below in the box and alphabetically label the equivalent protons in the structure (Ha, Hb, Hc ....) in order to assign all the proton NMR peaks. Label the absorption bands in the IR spectrum indicated by the arrows. INFRARED SPECTRUM 1 0.975 3000 2000 Wavenumber (cm-1) 1000 Structure with assigned H peaks 1 3 180 160 140 120 100 f1 (ppm) 80 60 40 20 0 C-13 NMR note that there are 4 peaks between 120-140ppm Integral values equal the number of equivalent protons 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 fl (ppm)arrow_forwardCalculate the pH of 0.0025 M phenol.arrow_forwardIn the following reaction, the OH- acts as which of these? NO2-(aq) + H2O(l) ⇌ OH-(aq) + HNO2(aq)arrow_forward
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