QCE Chemistry Practice Questions - QCE Chemistry (Units 3 & 4) External Examination Exam

For the equilibrium N2(g) + 3H2(g) ⇌ 2NH3(g), which is the correct expression for Kc?

[N2][H2]³ / [NH3]² [NH3]² / ([N2][H2]³) [NH3] / ([N2][H2]) 2[NH3] / ([N2] + 3[H2])

Correct Answer:

[NH3]² / ([N2][H2]³)

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