The tsetse fly Glossina morsitans is a large biting fly foundin regions of Africa. They carry sleeping sickness, a deadlydisease caused by a parasitic protozoan. The pheromonesecreted by the tsetse fly contains four straight-chain alkanes:2-methylheptadecane (C18H38), 17,21-dimethylheptatriacontane (C39H80), 15,19-dimethylheptatriacontane (C39H80), and15,19,23-trimethylheptatriacontane (C40H82). Because thispheromone works by smell over long distances, it has proveduseful as an agent to control tsetse fly populations.a. Draw the line formula for each of these alkanes.b. Calculate the molar mass of each of these alkanes.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter6: Covalent Bonding
Section: Chapter Questions
Problem 24QRT
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The tsetse fly Glossina morsitans is a large biting fly found
in regions of Africa. They carry sleeping sickness, a deadly
disease caused by a parasitic protozoan. The pheromone
secreted by the tsetse fly contains four straight-chain alkanes:
2-methylheptadecane (C18H38), 17,21-dimethylheptatriacontane (C39H80), 15,19-dimethylheptatriacontane (C39H80), and
15,19,23-trimethylheptatriacontane (C40H82). Because this
pheromone works by smell over long distances, it has proved
useful as an agent to control tsetse fly populations.
a. Draw the line formula for each of these alkanes.
b. Calculate the molar mass of each of these alkanes.

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