Using the pressure–temperature alignment chart in Figure 13.2, answer thefollowing questions.a. What is the normal boiling point (at 760 mm Hg) for a compound that boilsat 150°C at 10 mm Hg pressure?b. At what temperature would the compound in (a) boil if the pressure were40 mm Hg?c. A compound was distilled at atmospheric pressure and had a boiling pointof 285°C. What would be the approximate boiling range for this compoundat 15 mm Hg? .011.02-Pressure"P" mmObservedboiling pointat PBoiling pointcorrectedto 760 mm°C°C4007001.06003006500 -203014060100 80200-300f400 -300200200700 1500100100вAFigure 13.2Pressure-temperature alignment nomograph. How to use thenomograph: Assume a reported boiling point of 100°C (column A)at 1 mm. To determine the boiling point at 18 mm, connect 100°C(column A) to 1 mm (column C) with a transparent plastic ruleand observe where this line intersects column B (about 280°C).This value would correspond to the normal boiling point. Next,connect 280°C (column B) with 18 mm (column C) and observewhere this intersects column A (151°C). The approximate boilingpoint will be 151°C at 18 mm. (Reprinted courtesy of EMDChemicals, Inc.)4.O 88+++

When a liquid is boiled, there would be increase in vapor pressure and at a point, it becomes same…

Answered: .011 .02- Pressure "P" mm Observed…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter7: Equilibria In Multiple-component Systems

Section: Chapter Questions

Problem 7.64E

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Question

Using the pressure–temperature alignment chart in Figure 13.2, answer the
following questions.
a. What is the normal boiling point (at 760 mm Hg) for a compound that boils
at 150°C at 10 mm Hg pressure?
b. At what temperature would the compound in (a) boil if the pressure were
40 mm Hg?
c. A compound was distilled at atmospheric pressure and had a boiling point
of 285°C. What would be the approximate boiling range for this compound
at 15 mm Hg?

.011
.02-
Pressure
"P" mm
Observed
boiling point
at P
Boiling point
corrected
to 760 mm
°C
°C
400
700
1.0
600
300
6
500 -
20
30140
60
100 80
200-
300f
400 -
300
200
200
700 1500
100
100
в
A
Figure 13.2
Pressure-temperature alignment nomograph. How to use the
nomograph: Assume a reported boiling point of 100°C (column A)
at 1 mm. To determine the boiling point at 18 mm, connect 100°C
(column A) to 1 mm (column C) with a transparent plastic rule
and observe where this line intersects column B (about 280°C).
This value would correspond to the normal boiling point. Next,
connect 280°C (column B) with 18 mm (column C) and observe
where this intersects column A (151°C). The approximate boiling
point will be 151°C at 18 mm. (Reprinted courtesy of EMD
Chemicals, Inc.)
4.
O 88
+++

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