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The equilibrium pressure of Hydrogen gas over a solid element (X) and and its hydride (XH3)...

The equilibrium pressure of Hydrogen gas over a solid element (X) and and its hydride (XH3) at 525 K is 0.165 kPa:

X ( s ) + 3/2 H 2 ( g ) ⇄  X H 3 ( s )

Calculate the equilibrium constant for this reaction.

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Answer #1

Pressure is not considered for solid in equilibrium calculation.

Xis, + 3H219) = X H3 (5) keq = ke = a (sabied-up solid P. Kp = 116syn NOZ consider Kp = 0.165X103 Pa = 16589 165x(165) Kp = 2

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