單項選擇題已知 445℃時,Ag2O(s)的分解壓力為20 974kPa,則此時分解反應 Ag2O(s)=2Ag(s)+(1/2)O2(g)的ΔrGmθ為:()

A.14.387J/mol
B.15.92kJ/mol
C.-15.92kJ/mol
D.-31.83kJ/mol


您可能感興趣的試卷