已知反应CO(g) = C(s) + 1/2 O2(g)的△H>0。设△H和△S都不随温度而变,

已知反应CO(g) = C(s) + 1/2 O2(g)的△H>0。设△H和△S都不随温度而变,下列说法中正确的是                                               

A任何温度下都是非自发变化            B 高温下是自发变化

C低温下是非自发变化,高温下是自发变化        D 低温下是自发变化 

答案

A

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