This graph shows how the vapor pressure of three liquids varies with temperature:vapor pressure, torr9008007006005004003002001000-50607080temperature, °CUse the graph to answer the following questions:Which liquid is the most volatile?Which is the least volatile?What is the normal boiling point of each liquid?Note: your answer must be within 1°C of the exactanswer to beSuppose a beaker of hexane is put inside a sealedtank containing hexane gas at 53. degree C and444. torr. After ten minutes, will there be more liquidin the beaker, less liquid, or the same amount?isopropyl acetatehexaneethanolmost volatile:least volatile:isopropyl acetate:hexane:ethanol:90morelessthe same✓ choose oneisopropyl acetatehexaneethanol[ ºc°C9

Answered: Which liquid is the most volatile?…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter9: Liquids And Solids

Section: Chapter Questions

Problem 17QAP

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Question

This graph shows how the vapor pressure of three liquids varies with temperature:
vapor pressure, torr
900
800
700
600
500
400
300
200
100
0-
50
60
70
80
temperature, °C
Use the graph to answer the following questions:
Which liquid is the most volatile?
Which is the least volatile?
What is the normal boiling point of each liquid?
Note: your answer must be within 1°C of the exact
answer to be
Suppose a beaker of hexane is put inside a sealed
tank containing hexane gas at 53. degree C and
444. torr. After ten minutes, will there be more liquid
in the beaker, less liquid, or the same amount?
isopropyl acetate
hexane
ethanol
most volatile:
least volatile:
isopropyl acetate:
hexane:
ethanol:
90
more
less
the same
✓ choose one
isopropyl acetate
hexane
ethanol
[ ºc
°C
9

Expert Solution

Step 1

Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the atmospheric pressure is known as the boiling point of the liquid.

The liquid molecules tend to convert into the vapor phase. In a closed container, the pressure of vapor at the liquid surface at equilibrium is known as vapor pressure. The vapor pressure depends on the intramolecular attraction forces between the liquid molecules. As the strength of intramolecular attraction forces increases, the vapor pressure decreases.

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