From the values of ΔH and ΔS, predict which of the following reactions would be spontaneous at 25°C: Reaction A: ΔH= 10.5 kJ/mol, ΔS= 30 J/K. mol; Reaction B: ΔH =1.8 kJ/mol, ΔS= -113 J/K.mol. If either of the reactions is nonspontaneous at 25°C, at what temperature might it become spontaneous?

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