右圖繪出物質(zhì)[G]、[F]、[E]的濃度隨時(shí)間變化的規(guī)律,所對(duì)應(yīng)的連串反應(yīng)是:()
A.G→F→E B.E→F→G C.G→E→F D.F→G→E
某溫度時(shí),平行反應(yīng)的k1和k2分別為0.008和0.002 min-1,那么100min后A的轉(zhuǎn)化率為:()
A.100% B.81.9% C.44.9% D.63.2%
對(duì)于可逆一級(jí)反應(yīng),下列敘述正確的是:()
A.平衡時(shí)cA=cB B.平衡時(shí)k1=k-1 C.總反應(yīng)速率為正、逆反應(yīng)速率的代數(shù)和 D.加入正催化劑可使k1>k-1