(Second order reaction)
$B$5$"2r$-$^$7$g$&!*(B
$B-!$^$::8JU$r@QJ,(B
$B-"1&JU$r@QJ,(B
$B-!-"$h$j(B
$B$3$N<0$O$3$N$^$^2r@O$KMQ$$$k$K$O>/$7J#;($J$?$a!"(B
$B0lHL$K$O
$B4JN,2=$NJ}K!(B
$B!&(B$B=iG;EY$r0lDj$K$9$k!#!J(B[A]o=[B]o$B!K(B
$B!&(B$B0l$D$N@.J,$rBg2a>j$K$9$k!#!J(B[A]<<[B]o$B!K(B