A Reaction Vessel Is Charged with 1

question 54

Multiple Choice

A reaction vessel is charged with 1.720 atm of N₂O₄ and 1.220 atm of NO₂ at 25 C. The equilibrium reaction is given in the equation below. N₂O₄ (g) 2 NO₂ (g)
After equilibrium is reached, the partial pressure of NO₂ is 0.555 atm. What is the value for the equilibrium constant, K c , of this reaction at 25 C?

• A) K _c = 0.129
• B) K _c = 0.150
• C) K _c = 0.222
• D) K _c = 0.270
• E) K _c = 6.67

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