Question

4. Dintrogen pentoxide, No 05 decomposes as shown below:00 Bold o n libora li rol how l woda toy 2 N205 (g) ---> 4NO2 (g) + O2 (g) 9 2 bertin The reaction is first order and a plot of the concentration of N205 as a function time for an experiment at 55 °C is shown below. What are (i) the half-life; and (ii) the rate constant for reaction at 55 °C? [N205] vs time 0.020 001.0 0.015 bombe Fotos de O 000S D [N205] 0.010 0.005 500 600 700 300 400 200 0.000 1 00 time/s ible mechanism for a reaction that takes place in solution is

Answer 1

29,0560 - 4Ng CO2 + 8y 0) Half life. From the graph we can conclude that Half life = 400 sec K= 0.693 Ella 0.693 4oo