As O 2 (l) is cooled at 1 atm pressure, it freezes to form solid A at 54.5 K. At a lower…
Chemistry · NEET · NTA Exams — Chemical Thermodynamics
As O2(l) is cooled at 1 atm pressure, it freezes to form solid A at 54.5 K. At a lower temperature, solid A rearranges to solid B, which has a different crystal structure. Thermal measurements show that for the phase transition of solid A to solid B, ΔH = - 743.1 J mol-1 and ΔS = - 17.0 J K-1 mol-1. At what temperature solids A and B attain equilibrium?
- 2.06 K
- 31.5 K
- 43.7 K
- 53.4 K
Answer
(C) 43.7 K
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