Answered: 34.6 °C 78.3 °C 100 °C 800 760 Normal…

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

Using the vapor-pressure curves in Figure 11.25, (a) estimate
the boiling point of ethanol at an external pressure of 200
torr, (b) estimate the external pressure at which ethanol
will boil at 60 °C, (c) estimate the boiling point of diethyl
ether at 400 torr, (d) estimate the external pressure at which
diethyl ether will boil at 40 °C.

34.6 °C
78.3 °C 100 °C
800
760
Normal boiling
point
Diethyl
ether
600
Ethyl alcohol
(ethanol)
Water
400
200
Ethylene
glycol
20
40
80
100
Temperature (°C)
A Figure 11.25 Vapor pressure for four liquids as a function of
temperature.
Vapor pressure (torr)

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