Consider the following equilibrium: 2NO2g    N2O4g =       ΔG0−5.4kJ Now suppose a reaction vessel is filled with  8.33atm  of dinitrogen tetroxide  N2O4  at  294.°C . Answer the following questions about this system: Under these conditions, will the pressure of  N2O4  tend to rise or fall?   rise     fall   Is it possible to reverse this tendency by adding  NO2 ? In other words, if you said the pressure of  N2O4  will tend to rise, can that be changed to a tendency to fall by adding  NO2 ? Similarly, if you said the pressure of  N2O4  will tend to fall, can that be changed to a tendency to rise by adding  NO2 ?   yes     no   If you said the tendency can be reversed in the second question, calculate the minimum pressure of  NO2  needed to reverse it. Round your answer to  2  significant digits.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Consider the following equilibrium:

2NO2g
  
N2O4g
=       ΔG0−5.4kJ

Now suppose a reaction vessel is filled with 

8.33atm

 of dinitrogen tetroxide 

N2O4

 at 

294.°C

. Answer the following questions about this system:

Under these conditions, will the pressure of 
N2O4
 tend to rise or fall?
 
rise
 
 
fall
 
Is it possible to reverse this tendency by adding 
NO2
?
In other words, if you said the pressure of 
N2O4
 will tend to rise, can that be changed to a tendency to fall by adding 
NO2
? Similarly, if you said the pressure of 
N2O4
 will tend to fall, can that be changed to a tendency to rise by adding 
NO2
?
 
yes
 
 
no
 
If you said the tendency can be reversed in the second question, calculate the minimum pressure of 
NO2
 needed to reverse it.
Round your answer to 
2
 significant digits.
atm
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