Dinitrogen pentoxide (N2O5) decomposes to form nitrogen dioxide (NO2) and oxygen (O2). This reaction is first order. The balanced equation is 2N2O5(9)4NO2(9)+O2() Use the data table to answer the following: a. What is the rate constant for decomposition of N2O5 ? (Use scientific notation, and proper sig 595, and units) [A] b. How long will t take for concentration of N2O5 to fall from 0.62M to 0.10M ? (Use proper units) [B]