One mechanism for the synthesis of ammonia proposes that N₂ and H₂ molecules catalytically dissociate into atoms:(a) Find the partial pressure of N in N₂ at 1000. K and 200. atm.

Respuesta :

The partial pressure is Pn = 4 * 10⁻²¹.

What is Partial Pressure?

Each gas that makes up a mixture of gases has a partial pressure, which is the notional pressure of that gas as if it alone filled the original combination's complete volume at the same temperature.

logKp=-43. 10

The partial pressure of N2 at 1000 K is (PN2) =200 atm,

The partial pressure of N is = (Pn)

(PH2) =600 atm,

logKp=-17. 30

The reaction for the dissociation of nitrogen molecule into its element is given below:

N₂(g) ⇔ 2N(g)

The expression of equilibrium constant (KP) is,

Kp = P²n/P¹n2   ......(i)

When,

log Kp = -43.10

Kp = 10⁻⁴³°¹⁰

= 7.9 * 10⁻⁴⁴

The partial pressure of N2 at 1000 K is 200 atm,

Pn2 =200 atm,

Put value in equation (i),

7.9 * 10⁻⁴⁴ = Pn2/200atm

Pn2 = 200atm * 7.9 * 10⁻⁴⁴

Pn = 4 * 10⁻²¹

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