At 25 °C, the Decomposition of Dinitrogen Tetraoxide
N₂O₄(g) $\rightleftharpoons$

question 28

Multiple Choice

At 25 °C, the decomposition of dinitrogen tetraoxide
N₂O₄(g) $\rightleftharpoons$ 2 NO₂(g)
Has an equilibrium constant (K_p) of 0.144. At equilibrium, the total pressure of the system is 0.0758 atm. What is the partial pressure of each gas?

• A) 0.0745 atm NO₂(g) and 0.0385 N₂O₄(g)
• B) 0.0549 atm NO₂(g) and 0.0209 N₂O₄(g)
• C) 0.0531 atm NO₂(g) and 0.0227 N₂O₄(g)
• D) 0.0502 atm NO₂(g) and 0.0256 N₂O₄(g)
• E) 0.0381 atm NO₂(g) and 0.0377 N₂O₄(g)

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