The minerals hematite (Fe₂O₃) and magnetite (Fe₃O₄) exist in equilibrium with atmospheric oxygen:4Fe₃O₄(s) +O₂(g)⇌6Fe₂O₃(s) Kₚ =2.5X10⁸⁷ at 298 K (a) Determine at equilibrium. (b) Given that P(O₂) in air is 0.21 atm, in which direction will the reaction proceed to reach equilibrium? (c) Calculate K꜀ at 298 K.

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The minerals hematite (Fe₂O₃) and magnetite (Fe₃O₄) exist in equilibrium with atmospheric oxygen:4Fe₃O₄(s) +O₂(g)⇌6Fe₂O₃(s) Kₚ =2.5X10⁸⁷ at 298 K (a) Determine at equilibrium. (b) Given that P(O₂) in air is 0.21 atm, in which direction will the reaction proceed to reach equilibrium? (c) Calculate K꜀ at 298 K.

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