[Olympiad] For a certain process, ΔH = -85 kJ/mol and ΔG = -25 kJ/mol at 300 K. What is the entropy change (ΔS) for this process in J/mol·K?
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-200
-
+200
-
-20
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+60
📝 Detailed explanation
ΔG = ΔH - TΔS => -25000 = -85000 - (300 × ΔS).
60000 = -300 × ΔS => ΔS = -200 J/mol·K.
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