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2 April, 14:40

Nitrogen monoxide and hydrogen react to form nitrogen and water, like this: 2NO+2 H2 (g) - N29) + 2H2O (9) Write the pressure equilibrium constant expression for this reaction

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  1. 2 April, 14:49
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    Partial pressure N₂. (Partial pressure H₂O) ² / (Partial pressure H₂) ². (Partial pressure NO) ² = Kp

    Explanation:

    The reaction is:

    2NO + 2H₂ → N₂ + 2H₂O

    The expression for Kp (pressure equilibrium constant) would be:

    Partial pressure N₂. (Partial pressure H₂O) ² / (Partial pressure H₂) ². (Partial pressure NO) ²

    There is another expression for Kp, where you work with Kc (equilibrium constant)

    Kp = Kc (R. T) ^Δn

    where R is the Ideal Gases constant

    T° is absolute temperature

    Δn = moles of gases formed - moles of gases, I had initially
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