一You don’t have to make so much noise, do you? 一 ___________.A. Not at all B. Never mind C. I’m sorry D. Better not 答案:C反应A+3B=2C+D在四种不同情况下的反应速率分别为:
①v(A) =0.15mol/
(L·s) ②v(B)=0.6mol/(L·s)
③v(C)=0.5mol/(L·s)
④v (D) =0.45mol/(L·s),则反应进行由快到慢的顺序为:
A.④>③>①>②
B.②>④>③>①
C.②>③>④>①
D.④>③>②>①