Problem: Nitrogen dioxide decomposes according to the reaction2 NO2(g) ⇌ 2 NO(g) + O2(g)where Kp = 4.48×10−13 at a certain temperature. If 0.75 atm of NO2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of NO(g) and O2(g)?

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FREE Expert Solution

We’re given the following equilibrium reaction:

2 NO2(g) ⇌ 2 NO(g) + O2(g)Kp = 4.48×10−13


Construct an ICE table:


The Kp expression for the reaction is:

Kp=productsreactants=PNO2PO2PNO22

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Problem Details

Nitrogen dioxide decomposes according to the reaction
2 NO2(g) ⇌ 2 NO(g) + O2(g)
where Kp = 4.48×10−13 at a certain temperature. If 0.75 atm of NO2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of NO(g) and O2(g)?