For the Equilibrium 2 PH₃ (G) ⇄ P ₂ (G)

question 95

Multiple Choice

For the equilibrium 2 PH₃ (g) ⇄ P ₂ (g) +3 H₂ (g) , the equilibrium partial pressures are PPH= 0.022 atm, PP = 0.289 atm, and PH = 0.867 atm at 873 K.Calculate K_p.

• A)0.0585
• B)17.1
• C)0.0441
• D)2.50* 10^-3
• E)389

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