vapor pressure, torrన్ ిక్లీ ీ క్లీ క్లీ క్లీlaSUWS hOW the vapor pressure of three liquids varies with temperature:900-800-700600500-400300200isobutyl alcoholacetylacetoneorthoxylene1000100110120130140temperature, °CUse the graph to answer the following questions:Which liquid is the most volatile?most volatile:choose oneWhich is the least volatile?least volatile:choose onecCcisobutyl alcohol:What is the normal boiling point of each liquid?Note: your answer must be within 1°C of the exactanswer to be graded correct.acetylacetone:orthoxylene:Suppose a beaker of acetylacetone is put inside asealed tank containing acetylacetone gas at 131.degree C and 616. torr. After ten minutes, will therebe more liquid in the beaker, less liquid, or the sameamount?morelessthe sameContinue

Question
Asked Dec 1, 2019
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Please answer all parts 1,2 and 3

vapor pressure, torr
న్ ిక్లీ ీ క్లీ క్లీ క్లీ
la
SUWS hOW the vapor pressure of three liquids varies with temperature:
900-
800-
700
600
500-
400
300
200
isobutyl alcohol
acetylacetone
orthoxylene
100
0
100
110
120
130
140
temperature, °C
Use the graph to answer the following questions:
Which liquid is the most volatile?
most volatile:
choose one
Which is the least volatile?
least volatile:
choose one
c
C
c
isobutyl alcohol:
What is the normal boiling point of each liquid?
Note: your answer must be within 1°C of the exact
answer to be graded correct.
acetylacetone:
orthoxylene:
Suppose a beaker of acetylacetone is put inside a
sealed tank containing acetylacetone gas at 131.
degree C and 616. torr. After ten minutes, will there
be more liquid in the beaker, less liquid, or the same
amount?
more
less
the same
Continue
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vapor pressure, torr న్ ిక్లీ ీ క్లీ క్లీ క్లీ la SUWS hOW the vapor pressure of three liquids varies with temperature: 900- 800- 700 600 500- 400 300 200 isobutyl alcohol acetylacetone orthoxylene 100 0 100 110 120 130 140 temperature, °C Use the graph to answer the following questions: Which liquid is the most volatile? most volatile: choose one Which is the least volatile? least volatile: choose one c C c isobutyl alcohol: What is the normal boiling point of each liquid? Note: your answer must be within 1°C of the exact answer to be graded correct. acetylacetone: orthoxylene: Suppose a beaker of acetylacetone is put inside a sealed tank containing acetylacetone gas at 131. degree C and 616. torr. After ten minutes, will there be more liquid in the beaker, less liquid, or the same amount? more less the same Continue

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Expert Answer

Step 1

The vapor pressure-temperature graph of isobutyl alcohol, acetylacetone, and ortho-xylene is given as shown below.

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900- 800- 700- 600- 500- 400 300- 200- - isobutyl alcohol - acetylacetone - orthoxylene 100 1de 120 130 140 temperature, c vapor pressure, torr #T*

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Step 2

In above graph, the isobutyl alcohol is represented by black line, the acetylacetone is represented by green line, and ortho-xylene is represented by blue line.

It is known that the temperature at which the vapor pressure of any liquid becomes equal to the atmospheric pressure, is termed as boiling point. The atmospheric pressure id 760 torr.

The temperature corresponds to the 760 torr is the boiling point of corresponding liquid.

Step 3

Part (b)

 

For isobutyl alcohol (black line), the 760 torr vapor pressure corresponds to the 108 oC temperature. Therefore, the boiling point of isobutyl alcohol is 108 oC.

 

For acetylacetone (green line), the 760 torr vapor pressure corresponds to the 138 oC temperature. Therefore, the boiling point of acetylacetone is 138 o...

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Physical Chemistry

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