What is the boiling point of water at an elevation of 1.70x104 ft ? Express your answer with the appropriate units using three significant figures. ▸ View Available Hint(s) T = 93.07 μà °C S ?
What is the boiling point of water at an elevation of 1.70x104 ft ? Express your answer with the appropriate units using three significant figures. ▸ View Available Hint(s) T = 93.07 μà °C S ?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter8: Molecules And Materials
Section: Chapter Questions
Problem 8.87PAE: 8.87 Use the vapor pressure curves illustrated here to answer the questions that follow. (a) What is...
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Question
Transcribed Image Text:Vapor Pressure
The vapor pressure of a substance describes how readily
molecules at the surface of the substance enter the gaseous
phase. At the boiling point of a liquid, the liquid's vapor pressure
is equal to or greater than the atmospheric pressure exerted on
the surface of the liquid. Since the atmospheric pressure at higher
elevations is lower than at sea level, the boiling point of water
decreases as the elevation increases. The atmospheric pressure
at sea level is 760 mm Hg. This pressure decreases by 19.8
mm Hg for every 1000-ft increase in elevation.
Elevation
o ft
1000 ft
2000 ft
Pressure
760
mmHg
740.2
mmHg
720.4
mmHg
The boiling point of water decreases 0.05° C for every 1 mmHg
drop in atmospheric pressure.
Part A
What is the boiling point of water at an elevation of 1.70×104 ft ?
Express your answer with the appropriate units using three significant figures.
► View Available Hint(s)
T = 93.07
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μÅ
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°C
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