Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
Temperature and Kinetic Theory
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13-1: 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 55

CO2CO_2 exists in what phase when the pressure is 35 atm and the temperature is 35C35 ^\circ \textrm{C} (Fig. 13–23)?

Phase diagram for carbon dioxide.
Figure 13-23 Phase diagram for carbon dioxide.
only gas is possible
Giancoli 7th Edition, Chapter 13, Problem 55 solution video poster

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This is Giancoli Answers with Mr. Dychko. This is the phase diagram for carbon dioxide and it has a critical temperature of 31 degrees Celsius. So, that means anything beyond that, such as 35 degrees Celsius, is going to be in a gas phase. And that's the only phase that's possible at temperatures beyond the critical temperature.

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