A-LevelChemistryEquilibriaMay/June 2021Paper 1 Q101 Mark
3.60 moles of hydrogen gas and 2.00 moles of iodine vapour are placed in a reaction vessel which is then sealed and maintained at a constant temperature. The equation for the reaction is shown. H₂ + I₂ ⇌ 2HI At equilibrium, 3.20 moles of hydrogen remain. All reactants and products are gaseous. What is the value of Kp under these conditions?
A0.0313
B0.125
C0.156
D8.00
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The correct answer is B. This question tests the candidate's understanding of equilibria within the Chemistrysyllabus. The examiner's mark scheme requires...
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