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The value of kp for the reaction 2no2(g)  n2o4(g) is 1.52 at 319 k. what is the value of kp at this temperature for the reaction n2o4(g)  2no2(g)?

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Dejanras
Answer is: the value of Kp at this temperature is 0.657.
Chemical reaction 1: 2NO₂ ⇄ N₂O₄.
Chemical reaction 2: N₂O₄ ⇄2NO₂.
Kp₁ = [N₂O₄] / [NO₂]²;  equilibrium constant for chemical reaction 1.
Kp₂ = [NO₂]² / [N₂O₄].  equilibrium constant chemical reaction2.
Kp₁ = 1.52.
Kp₂ = 1 / Kp₁.
Kp₂ = 1 / 1.52.
Kp₂ = 0.657.

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