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A-LevelChemistryEquilibriaFeb/Mar 2023Paper 1 Q41 Mark

The table shows the partial pressures in an equilibrium mixture formed by the Haber process. 3H2(g) + N2(g) ⇌ 2NH3(g) [Table with columns "substance", "partial pressure/kPa" and rows "nitrogen 7000", "hydrogen 8000", "ammonia 4000"] What is the numerical value of the equilibrium constant, Kp, for this reaction?

A4.46 x 10⁻⁹
B4.76 x 10⁻⁵
C7.14 x 10⁻⁵
D2.24 x 10⁸

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The correct answer is A. This question tests the candidate's understanding of equilibria within the Chemistrysyllabus. The examiner's mark scheme requires...

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About This A-Level Chemistry Question

This multiple-choice question appeared in the Cambridge A-Level Chemistry (9701) Feb/Mar 2023 examination, Paper 1 Variant 2. It tests the topic of Equilibria and is worth 1 mark.

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