A-LevelChemistryEquilibria9701/12 · Feb/Mar 2021 · Q311 Mark
A sample of 17.15 mol HI(g) is in dynamic equilibrium with 2.27 mol H₂(g) and 2.84 mol I₂(g) in a volume of 1 m³ at 764 K and 141 kPa. H₂(g) + I₂(g) ⇌ 2HI(g) Two equilibrium constants, Kc and Kp, can be calculated for this mixture. Which statements about the equilibrium constants for this mixture are correct? 1 neither Kc nor Kp has any units 2 Kc = 45.6 3 Kc > Kp
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
B: 1 and 2 only are correct
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