Answered: TABLE 15.2 Variation in K, with…

TABLE 15.2 Variation in K, with Temperature for N2 + 3 H2 = 2 NH3 Temperature (°C) K, 300 4.34 x 10-3 400 1.64 x 104 450 4.51 x 10-5 500 1.45 x 10-5 550 5.38 x 106 600 2.25 x 106

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter7: Equilibria In Multiple-component Systems

Section: Chapter Questions

Problem 7.80E

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Question

As shown in Table, Kp for the equilibrium
N₂(g) + 3 H₂(g) ⇌ 2 NH₃(g)
is 4.51 x10^-5 at 450 °C. For each of the mixtures listed
here, indicate whether the mixture is at equilibrium at
450 °C. If it is not at equilibrium, indicate the direction
(toward product or toward reactants) in which the mixture
must shift to achieve equilibrium.
(a) 98 atm NH₃, 45 atm N₂, 55 atm H₂
(b) 57 atm NH₃, 143 atm N₂, no H₂
(c) 13 atm NH₃, 27 atm N₂, 82 atm H₂

TABLE 15.2 Variation in
K, with Temperature for
N2 + 3 H2 = 2 NH3
Temperature (°C)
K,
300
4.34 x 10-3
400
1.64 x 104
450
4.51 x 10-5
500
1.45 x 10-5
550
5.38 x 106
600
2.25 x 106

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