Asked by 01236
Which type of reaction is always spontaneous?
an exothermic reaction that has an increase in disorder
an exothermic reaction that has a decrease in disorder
an endothermic reaction that has an increase in disorder
an endothermic reaction that has a decrease in disorder
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An exothermic reaction that has an increase in disorder.
Reason: ΔG = ΔH − TΔS. If ΔH < 0 (exothermic) and ΔS > 0 (increase in disorder), then ΔG = negative − T(positive) which is always negative, so the process is spontaneous at all temperatures.
Reason: ΔG = ΔH − TΔS. If ΔH < 0 (exothermic) and ΔS > 0 (increase in disorder), then ΔG = negative − T(positive) which is always negative, so the process is spontaneous at all temperatures.
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