Problem: A mixture of N2 (g) and H2 (g) attained equilibrium at 745 K in the reaction: N2 (g) + 3H2 (g) ⇌ 2NH3 (g). The equilibrium mixture of gases was analyzed and found to contain 7.38 atm H 2 , 2.46 atm N2 , and 0.166 atm NH3 . Calculate the equilibrium constant  Kc for the reaction. R = 0.08206 L•atm/(mol•K) A) 1.4x10-3 B) 2.79x 105 C) 1.49 D) 0.104 E) 61.14  

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Problem Details

A mixture of N2 (g) and H2 (g) attained equilibrium at 745 K in the reaction:

N2 (g) + 3H2 (g) ⇌ 2NH3 (g).

The equilibrium mixture of gases was analyzed and found to contain 7.38 atm H 2 , 2.46 atm N2 , and 0.166 atm NH3 . Calculate the equilibrium constant  Kc for the reaction.

R = 0.08206 L•atm/(mol•K)

A) 1.4x10-3

B) 2.79x 105

C) 1.49

D) 0.104

E) 61.14

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