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Recent questions in Chemistry
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What is the composition of a mixture containing benzene, toluene, and xylene using gas chromatography analysis?
asked
Jan 30
in
Analytical Chemistry
by
LutherBattag
(
130
points)
0
votes
1
answer
89
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What is the composition of a given sample that was analyzed using X-ray diffraction?
asked
Jan 30
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Analytical Chemistry
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StormyRohde
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490
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0
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1
answer
71
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What is the composition of a given sample of an unknown compound? Perform elemental analysis and determine the percentage of carbon, hydrogen, and nitrogen in the unknown compound.
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Jan 30
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Analytical Chemistry
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DinaBrogan91
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390
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1
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56
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What is the composition of a given sample mixture and their respective concentrations, using gas chromatography as an analytical technique?
asked
Jan 30
in
Analytical Chemistry
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IsraelTaft4
(
90
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0
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1
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91
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What is the composition of a given protein sample and its relative abundance using electrophoresis analysis?
asked
Jan 30
in
Analytical Chemistry
by
Ivy28L91405
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410
points)
0
votes
1
answer
94
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What is the composition of a given mineral sample using X-ray diffraction analysis?
asked
Jan 30
in
Analytical Chemistry
by
YasminKirkli
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290
points)
0
votes
1
answer
73
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What is the composition of a given crystalline sample using X-ray diffraction analysis?
asked
Jan 30
in
Analytical Chemistry
by
LudieMcDonel
(
410
points)
0
votes
1
answer
73
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What is the composition of a commercial sample of aspirin, and what are the concentrations of its impurities, if any, determined by liquid chromatography analysis?
asked
Jan 30
in
Analytical Chemistry
by
LindseyTulk
(
410
points)
0
votes
1
answer
86
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What is the composition and crystal structure of a mineral sample using X-ray diffraction analysis?
asked
Jan 30
in
Analytical Chemistry
by
DorthyBeer38
(
350
points)
0
votes
1
answer
67
views
What is the composition and concentration of the components in a mixture of gasoline using gas chromatography?
asked
Jan 30
in
Analytical Chemistry
by
CallumScolle
(
510
points)
0
votes
1
answer
97
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What is the composition and concentration of different gases in a gas mixture (such as air) and how can they be separated and analyzed using gas chromatography?
asked
Jan 30
in
Analytical Chemistry
by
BeatriceBerm
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330
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73
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What is the chemical structure of the unknown compound, X, based on its NMR spectrum, which exhibits a singlet at 1.9 ppm and a quartet at 7.2 ppm, with J value of 8 Hz?
asked
Jan 30
in
Analytical Chemistry
by
CecilaDavey7
(
250
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0
votes
1
answer
57
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What is the chemical structure of the unknown compound X, which exhibits the NMR spectrum below: - a singlet at δ 1.2 ppm (integral = 3H)- a triplet at δ 1.4 ppm (integral = 2H)- a quartet at δ 2.0 ppm (integral = 2H)- a doublet at δ 2.5 ppm (integral = 3H)- a singlet at δ 7.3 ppm (integral = 1H)
asked
Jan 30
in
Analytical Chemistry
by
JolieTristan
(
370
points)
0
votes
1
answer
85
views
What is the chemical structure of compound X, based on the nuclear magnetic resonance (NMR) spectra?
asked
Jan 30
in
Analytical Chemistry
by
PhyllisNecai
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470
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0
votes
1
answer
86
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What is the chemical structure of compound X, as determined by analyzing its nuclear magnetic resonance spectrum?
asked
Jan 30
in
Analytical Chemistry
by
JadaBenedict
(
290
points)
0
votes
1
answer
84
views
What is the chemical structure of an unknown compound if its proton NMR spectrum displays a triple peak at δ 1.2, a singlet peak at δ 2.0, a doublet peak at δ 3.6, and a quartet peak at δ 7.5?
asked
Jan 30
in
Analytical Chemistry
by
UNTChante96
(
290
points)
0
votes
1
answer
73
views
What is the chemical formula of the unknown compound that has a molecular ion peak (M+) at m/z 146, and major fragment peaks at m/z 120 and 105 in the mass spectrum, and has the molecular ion peak four times more intense than the base peak? Use mass spectrometry to identify the unknown compound.
asked
Jan 30
in
Analytical Chemistry
by
WilmerHarper
(
530
points)
0
votes
1
answer
65
views
What is the chemical formula of an unknown compound that contains 60% carbon, 13.3% hydrogen, and 26.7% oxygen by mass, determined through elemental analysis?
asked
Jan 30
in
Analytical Chemistry
by
TheresaCorle
(
390
points)
0
votes
1
answer
73
views
What is the chemical composition of a sample of unknown compound using X-ray diffraction analysis?
asked
Jan 30
in
Analytical Chemistry
by
GertrudeT17
(
350
points)
0
votes
1
answer
93
views
What is the chemical composition of a given rock sample? Use X-ray diffraction analysis to identify the minerals present in the sample and determine their relative abundances.
asked
Jan 30
in
Analytical Chemistry
by
LinoLadd0317
(
240
points)
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