`Cl_(2)(g)(k_(1))/(k_(-1)2Cl(g) `Cl(g)+CHCl_(3)`(g)`(k_(2))`/`(longrightarrow)`HCl(g)+`CCl_(3)`(g) `CCl_(3)`(g)+Cl(g)`(k_(3))`/`(longrightarrow)``CCl_(4)`(g)],`k_(1)`=`4.8times``10^(3)`;`k_(-1)`=`1.2times``10^(3)`;`k_(2)`=`1.3times``10^(-2)`;`k_(3)`=`2.1times`10^(2)`