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A sample of pure NO2NO2 is heated to 336 ∘C∘C at which temperature it partially dissociates...

A sample of pure NO2NO2 is heated to 336 ∘C∘C at which temperature it partially dissociates according to the equation
2NO2(g)⇌2NO(g)+O2(g)2NO2(g)⇌2NO(g)+O2(g)
At equilibrium the density of the gas mixture is 0.525 g/Lg/L at 0.755 atm

Calculate Kc for the reaction.

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