A sample of pure no2 gas heated to 1000k decomposes: 2no2(g) gives 2no +o2.the equlibrium constant kp is 100 atm.analysis shows that the partial pressure of o2 is 0.25atm. at equilibrium. the partial pressure of no2 at equilibrium is
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Answer:- 0.025 atm
Solution:- The given balanced equilibrium equation is:
From the equation, there is 2:1 mole ratio between NO and .
Their equilibrium partial pressure would be in the ratio. Equilibrium partial pressure of oxygen is given as 0.25 atm. So, the equilibrium partial pressure of NO = 2(0.25 atm) = 0.50 atm
Equilibrium expression for the given equation is written as:
Let's plug in the values in it and solve it for equilibrium partial pressure of . Let's say the equilibrium partial pressure of nitrogen dioxide is p.
On rearranging the above equation:
On taking square root to both sides:
p = 0.025 atm
So, the equilibrium partial pressure of is 0.025 atm.
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Answer:
0.025 atm
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