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A flask containing only N204 at an initial pressure of 4.5 atm is allowed to reach equilibrium. Calculate the equilibrium partial pressures of the two gases, given Kp 0.25 at a particular temperature for the following reaction. Show your work in the space provided. 3. Noode) 2 NO2(g)

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N204 (g) 4.5 2NO2 (g) Initial: Equilibrium (4.5 - X) 2 (PNo2) P(PN204 (2x)2 0.25 4.5-X 1.125-0.25 X = 4X2 4X2 + 0.25 X-1.125

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