A.31.2 B.-31.2 C.-71.8 D.71.8
A.Qp,G,V B.Qv,V,G C.V,S,W D.G,U,H
若可逆反應(yīng),當(dāng)溫度由T1升高至T2時,標(biāo)準(zhǔn)平衡常數(shù)K2Θ>K1Θ,此反應(yīng)的等壓熱效應(yīng)△rHm的數(shù)值將()
A.大于零 B.小于零 C.等于零 D.無法判斷