an air sample containing molar ratio of 21:79 of o2 and n2 is heated to 2400 degree celcius . if the mole percent of no at euilibrium is 1.8percent .calculate kp for the reaction n2 + o2 equilibrium 2no
Asked by PratibhaPandey
| 16th Dec, 2013,
12:22: PM
Expert Answer:
Consider the equilibrium,

Initial conc. 79 21 0
At equilibrium 79-x 21-x 2x
Given:
2x = 1.8 , x= 0.9
Now,

In this case Δ n = 2 – 2 = 0
So, Kp = Kc (RT) ° = Kc

Kp = 2.1 × 10-3
Consider the equilibrium,
Initial conc. 79 21 0
At equilibrium 79-x 21-x 2x
Given:
2x = 1.8 , x= 0.9
Now,
In this case Δ n = 2 – 2 = 0
So, Kp = Kc (RT) ° = Kc
Kp = 2.1 × 10-3
Answered by Vaibhav Chavan
| 16th Dec, 2013,
01:21: PM
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