Consider the reaction 2NO 2( g) --> N 2O 4( g); Δ H° = –56.8 kJ and Δ S° = –175 J/K. In a container (at 298 K) N 2O 4( g) and NO 2( g) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements is correct? a. Some N2O4(g) will decompose into NO2(g). b. Some NO2(g) will dimerize to form N2O4(g). c. The system is at equilibrium at these initial pressures. d. The final total pressure must be known to answer this question. e. None of these.
Consider the reaction 2NO 2( g) --> N 2O 4( g); Δ H° = –56.8 kJ and Δ S° = –175 J/K. In a container (at 298 K) N 2O 4( g) and NO 2( g) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements is correct? a. Some N2O4(g) will decompose into NO2(g). b. Some NO2(g) will dimerize to form N2O4(g). c. The system is at equilibrium at these initial pressures. d. The final total pressure must be known to answer this question. e. None of these.
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
Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 118CP: Consider the reaction H2(g)+Br2(g)2HBr(g) where H = 103.8 kJ/mol. In a particular experiment, equal...
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- Consider the reaction 2NO 2( g) --> N 2O 4( g); Δ H° = –56.8 kJ and Δ S° = –175 J/K. In a container (at 298 K) N 2O 4( g) and NO 2( g) are mixed with initial partial pressures of 2.4 atm and 0.42 atm, respectively. Which of the following statements is correct?
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a. |
Some N2O4(g) will decompose into NO2(g). |
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|
b. |
Some NO2(g) will dimerize to form N2O4(g). |
|
|
c. |
The system is at equilibrium at these initial pressures. |
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|
d. |
The final total pressure must be known to answer this question. |
|
|
e. |
None of these. |
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