At a Given Temperature,the Equilibrium Constant (K_p)for the Decomposition of Dinitrogen

question 41

Multiple Choice

At a given temperature,the equilibrium constant (K_p) for the decomposition of dinitrogen tetraoxide to nitrogen dioxide is 0.172.If 0.224 atm N₂O₄ is sealed in a flask,what partial pressure of NO₂ will exist at equilibrium?
N₂O₄(g) ⇌ 2NO₂(g)

• A) 0.0385 atm
• B) 0.158 atm
• C) 0.196 atm
• D) 0.257 atm
• E) 0.379 atm

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