If the reaction Fe 2 N(s) 3 2H 2 (g) 2Fe(s) NH 3 (g) comes to equilibrium at a total pressure of 1 bar, analysis of the gas shows that at 700 and 800 K, PNH 3 PH 2 2 165 and 1 083, respectively, if only H 2 (g) was initially present in the gas phase and Fe 2 N(s) was in excess a Calculate K P at 70...

a FeN 2 s 32H 2 g2Fes NH 3 g At 700 K At 800 K b ...

If the reaction Fe 2 N(s) + 3/2H 2 (g) 2Fe(s) + NH 3 (g) comes

Question:

If the reaction Fe₂N(s) + 3/2H₂(g) ⇋ 2Fe(s) + NH₃(g) comes to equilibrium at a total pressure of 1 bar, analysis of the gas shows that at 700. and 800. K, PNH₃ /PH₂ = 2.165 and 1.083, respectively, if only H₂(g) was initially present in the gas phase and Fe₂N(s) was in excess.

a. Calculate K_P at 700. and 800. K.

b. Calculate ΔS^o_R at 700. K and 800. K and ΔH^o_R assuming that it is independent of temperature.

c. Calculate ΔG^o_R for this reaction at 298.15 K.

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