What is the rate law for the elementary step OH$+$H$\_2->$H$+$H$\_2$O $?$

$[$ Rate $=$k$[$OH$]$; Rate $=$k$[$H$\_2$O$][$H$]$; Rate $=$k$[$OH$][$H$\_2]$; Rate $=$k$[$H$\_2]]$

Review link to access the section in your eText.

Consider the following two$-$step me$$hanism for a reaction:

$N{O}_2(g)+C{l}_2(g)k_{1}ClN{O}_2(g)+Cl(g)$ Slow

$N{O}_2(g)+Cl(g)k_{2}ClN{O}_2(g)$ Fast

Part A

What is the overall reaction?