Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2(g)2NO(g)+O2(g) In a particular experiment at 300C, [NO2] drops from 0.0100 to 0.00800M in 100= The rate of appearance of O2 for this period is M/s. A) 2.0103 B) 4.0103 C) 2.0105 D) 1.0105 E) 4.0105