1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the teaching labs at CU Boulder. Compound A has the shorter retention time. START 61 1.11 227 RT AREA 0.61 XXXX 1.11 XXXX 2.27 Хххх TVPE XX XX ARIHT XX XX XX AREAS 0 009 55874 44.117 TOTAL AREA= XX MUL FAC TOR XX 1. What is the retention time of compound A? Compound B? 2. Which compound is present in a larger amount? 3. Which compound has the lower boiling point? 4. What would happen to the retention times of compounds A and B if the column temperature were raised? 5. You suspect that compound B is octane. What can you do to provide supporting evidence for this hypothesis?

1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the teaching labs at CU Boulder. Compound A has the shorter retention time. START 61 1.11 227 RT AREA 0.61 XXXX 1.11 XXXX 2.27 Хххх TVPE XX XX ARIHT XX XX XX AREAS 0 009 55874 44.117 TOTAL AREA= XX MUL FAC TOR XX 1. What is the retention time of compound A? Compound B? 2. Which compound is present in a larger amount? 3. Which compound has the lower boiling point? 4. What would happen to the retention times of compounds A and B if the column temperature were raised? 5. You suspect that compound B is octane. What can you do to provide supporting evidence for this hypothesis?

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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Question

100%

1) Study the chromatograph (below) of a mixture of Compounds A and B, run on the GCs in the
teaching labs at CU Boulder. Compound A has the shorter retention time.
STAAT
61
1.11
227
RT
TYPE
AREA
XXXX
XXXX
XXXX
AREAS
0.009
55874
44.117
ARIHT
0.61
XX
XX
XX
1.11
2.27
XX
XX
XX
TOTAL AREA=XX
MUL FACTOR=XX
1. What is the retention time of compound A? Compound B?
2. Which compound is present in a larger amount?
3. Which compound has the lower boiling point?
4. What would happen to the retention times of compounds A and B if the column temperature were
raised?
5. You suspect that compound B is octane. What can you do to provide supporting evidence for this
hypothesis?

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