A decompositio has following mecfhanism
`2N_(2)O_(5)rarr4NO_(2)+" "` (overall)
`N_(2)O_(5)hArrNO_(2)+ " "` (fast decomposition)
`NO_(2)NO_(3)rarrNO+NO_(2)+O_(2) " "` (slow)
`NO+NO_(3)rarr2NO_(2) " "` (fast)
Determine rate law, is the mechanism correspond. first order reacrtion