Giancoli's Physics: Principles with Applications, 7th Edition
13
Temperature and Kinetic Theory
Change chapter13-1: Atomic Theory
13-2: Temperature and Thermometers
13-4: Thermal Expansion
13-5: Gas Laws; Absolute Temperature
13-6 and 13-7: Ideal Gas Law
13-8: Ideal Gas Law in Terms of Molecules; Avogadro's Number
13-9: Molecular Interpretation of Temperature
13-11: Real Gases; Phase Changes
13-12: Vapor Pressure and Humidity
13-13: Diffusion
Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 60
Q
What is the air pressure at a place where water boils at ?
A
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VIDEO TRANSCRIPT
This is Giancoli Answers with Mr. Dychko. When the external air pressure equals the saturated vapor pressure at 80 degrees then you have boiling occurring. And when you look in this table 13-3 on page 379, you see the saturated vapor pressure for water at 80 degrees Celsius is 4.73 times 10 to the 4 pascals. And so since boiling is occurring at this time, that means the external pressure is the same.
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