A flask is charged with 1.650 atm of N2O4(g) and 1.00 atm NO2(g) at 25 ∘C, and the following equilibrium is achieved: N2O4(g)⇌2NO2 After equilibrium is reached, the partial pressure of NO2 is 0.511 atm. A. What is the equilibrium partial pressure of N2O4? (Express your answer with the appropriate units.)   B. Calculate the value of Kp for the reaction.   C. Calculate Kc for the reaction.

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