2.0 x 10-31 at 25 °C a. Calculate the partial pressure of NO at equilibrium if the initial partial pressures of N₂ and O₂ are 0.78 atm and 0.21 atm, respectively. (10)

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Chapter12: Gaseous Chemical Equilibrium
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3. In the atmosphere, nitrogen reacts with oxygen to form NO,
perhaps best known as "laughing gas". The reaction and its
equilibrium constant (K) is
K₂=
2.0 x 10-31 at 25 °C
a. Calculate the partial pressure of NO at equilibrium if the
initial partial pressures of N₂ and O₂ are 0.78 atm and 0.21
atm, respectively. (10)
N₂(g) + O₂(g) 2NO(g)
b. What is the value of K. at this temperature?
Transcribed Image Text:3. In the atmosphere, nitrogen reacts with oxygen to form NO, perhaps best known as "laughing gas". The reaction and its equilibrium constant (K) is K₂= 2.0 x 10-31 at 25 °C a. Calculate the partial pressure of NO at equilibrium if the initial partial pressures of N₂ and O₂ are 0.78 atm and 0.21 atm, respectively. (10) N₂(g) + O₂(g) 2NO(g) b. What is the value of K. at this temperature?
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