A.總是小于反應(yīng)分子數(shù) B.總是大于反應(yīng)分子數(shù) C.總是等于反應(yīng)分子數(shù) D.也可能與反應(yīng)分子數(shù)不一致
A.一級 B.二級 C.三級 D.零級
A.7min B.1.01min C.4.04min D.50.5min