[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?
- -200
- +200
- -20
- +60
📝 Batafsil tushuntirish
ΔG = ΔH - TΔS => -25000 = -85000 - (300 × ΔS).60000 = -300 × ΔS => ΔS = -200 J/mol·K.