A.1.2V B.2.4V C.1.4V D.2.8V
A.-268.7kJ/mol B.-177.8kJ/mol C.-119.9kJ/mol D.119.9kJ/mol
A.正向進(jìn)行B.逆向進(jìn)行C.不可能進(jìn)行D.反應(yīng)方向不確定