In a study of the following reaction at 1200 k it was observed that when the equilibrium partial pressure of water vapor is 15.0 torr, the total pressure at equilibrium is 36.3 torr. 3 fe(s) 4 h2o(g) equilibrium reaction arrow fe3o4(s) 4 h2(g) calculate the value of kp for this reaction at 1200 k. hint: apply dalton's law of partial pressures.

The value of for this reaction at 1200 K is 4.066.

Explanation:

Partial pressure of water vapor at equilibrium =

Partial pressure of hydrogen gas at equilibrium =

Total pressure of the system at equilibrium P = 36.3 Torr

Applying Dalton's law of partial pressure to determine the partial pressure of hydrogen gas at equilibrium:

The expression of is given by:

The value of for this reaction at 1200 K is 4.066.

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