The following data were obtained for the decomposition of N2O5 in the presence of 1 atm. N2 at 298 K.
time (hr.) P(N2O5) atm P(N2O5) P(N2O5) P(N2O5) (for P(N2)=5 P(N2O5) (atm))
0 1.00 2.00 5.00 10.0 1.00
1 .885 1.77 4.43 8.85 .886
2 .784 1.57 3.92 7.84 .785
4 .615 1.23 3.07 6.15 .615
10 .296 .592 1.48 2.96 .297
15 .161 .322 .806 1.61 .162
20 .088 .175 .439 .877 .087
Use these data to determine the experimental rate law for the reaction.