Question 6 The duck's uropygial gland produces about 0.274 moles of preen oil (C18H3602) over the course of a week. The density of preen oil is approximately 0.781 g/mL. How many cubic centimeters of preen oil does the duck produce during an average week?
Question 6 The duck's uropygial gland produces about 0.274 moles of preen oil (C18H3602) over the course of a week. The density of preen oil is approximately 0.781 g/mL. How many cubic centimeters of preen oil does the duck produce during an average week?
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter5: Gases, Liquids, And Solids
Section: Chapter Questions
Problem 5.26P
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Why are ducks waterproof? It’s because they produce copious amounts of oils from their uropygial glands and spread it across their feathers. In this exercise, we’ll be investigating the molecular structure of one of these preen oils to determine how it keeps ducks dry.
Q.5 - Preen oil is actually a complicated mixture of many different organic compounds, such as the structure seen previously.. Ornithologists have determined that birds often use preen oil compounds for scent recognition. Below, several different chemicals isolated from preen oil are shown, along with their vapor pressures at room temperature. p-cymene has the highest vapor pressure, meaning it is the most easily evaporated compound of the three listed.
Explain why p-cymene has a higher vapor pressure at room temperature compared to the other compounds. Make sure to explain what holds the p-cymene in the sample.
(Image attached)
Transcribed Image Text:Question 6
The duck's uropygial gland produces about
0.274 moles of preen oil (C18H3602) over the
course of a week. The density of preen oil is
approximately 0.781 g/mL. How many cubic
centimeters of preen oil does the duck
produce during an average week?
Transcribed Image Text:HO.
N=c=0
Cyclohexyl
isocyanate
Name
p-cymene
1-decanol
|Vapor
Pressure
at 25°C
1.55
|1.02
(mmHg)
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