The calculated value of KP for the equilibrium: N2(g) + O2(g) ---> 2 NO(g) is 5.

Question

The calculated value of KP for the equilibrium:

N2(g) + O2(g) ---> 2 NO(g)

is 5.72e-01 at 5877 oC. For each of the mixtures described in the multiple choices figure out whether the mixture is reasonably close to being at equilibrium at 5877 degrees C. "Reasonably close" means that Q is within a factor of 2 of KP. If the mixture is not close to equilibrium figure out which direction the reaction will shift (toward product or toward reactants) to achieve equilibrium. Choose the correct statement from the choices.



a) When PN2 = 9.20 atm, PO2 = 9.22 atm, and PNO = 6.97 atm the reaction will shift toward product.
b) When PN2 = 8.57 atm, PO2 = 5.38 atm, and PNO = 0.994 atm the reaction will shift toward product.
c) When PN2 = 7.91 atm, PO2 = 7.71 atm, and PNO = 29.3 atm the reaction will shift toward product.
d) When PN2 = 4.18 atm, PO2 = 7.10 atm, and PNO = 17.1 atm the reaction will shift toward product.
e) When PN2 = 5.53 atm, PO2 = 6.84 atm, and PNO = 0.731 atm the reaction will shift toward reactants.

Explanation / Answer

c) When PN2 = 7.91 atm, PO2 = 7.71 atm, and PNO = 29.3 atm the reaction will shift toward product

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