14) Consider the sublimation of carbon dioxide (dry ice) is spontaneous under standard conditions. CO2 (E) A Gxn kJ CO2 (s) - 18.7- 18700 J/mol or- mol Can this be made non-spontaneous at 500.0 °C, by increasing the pressure of CO2 gas to 25.0 atm above the solid (practically accomplished by putting it in a study closed container)?

Chemistry for Engineering Students
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Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.8PAE: In the thermodynamic definition of a spontaneous process, why is it important that the phrase...
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14) Consider the sublimation of carbon dioxide (dry ice) is spontaneous under standard
conditions.
kJ
CO2 (s)
CO2 (g) A Gº = -
A Gxn =
%3D
18.7-
or-18700 J/mol
|
mol
Can this be made non-spontaneous at 500.0 °C, by increasing the pressure of CO2 gas to 25.0
atm above the solid (practically accomplished by putting it in a study closed container)?
Transcribed Image Text:14) Consider the sublimation of carbon dioxide (dry ice) is spontaneous under standard conditions. kJ CO2 (s) CO2 (g) A Gº = - A Gxn = %3D 18.7- or-18700 J/mol | mol Can this be made non-spontaneous at 500.0 °C, by increasing the pressure of CO2 gas to 25.0 atm above the solid (practically accomplished by putting it in a study closed container)?
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