Test: CLEP Chemistry

1.

N2(g) + 3H2(g) ↔ 2NH3(g)

Initially, a closed flask contains a mixture of N2 at a partial pressure of 3 atm and H2 at a partial pressure of 5 atm. The mixture reaches equilibrium and the partial pressure of NH3 is 2 atm. What is the value of the equilibrium constant?

Keq = 0.25

Keq = 8.0

Keq = 0.125

Keq = 4

Keq = 0.50

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