A flask is charged with 1.390 atm of N2O4(g) and 0.88 atm NO2(g) at 25°C After equilibrium is reached, the partial pressure of NO2 is 0.512 atm. What is the equilibrium partial pressure of N2O4? Calculate the value of Kp for the reaction. If Kc can be calculated, find the value of Kc.

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