Question

please answer 1 and 2

5. H2O2 decomposition is considered to be first order reaction. Using the table below, 1. Calculate the average rate of reaction 2. Calculate the initial rate of reaction 3. Determine the order of reaction using the integrated rate law equations and using corresponding graphs. Use the instructions on how to enter data and plot a graph on Ti-83/84 Time,s [H202], M 60 120 180 240 300 360 420 480 540 600 0.882 0.697 0.566 0.458 0.372 0.298 0.236 0.188 0.152 0.120 0.094

Answer 1

Solution Hoo, ellomposition is a first, orelese reaction H202 -- > R420 +0, Calculate Average rate of reacte ou A vea A Anomage rate = 1 A[RI - - the 1 at every interval of time. 2) Initial rate of the reaction -der? = KEAT where x = orden of the reactions k= rate & coustant tou estouden, sate= -dIRI - KEAIN at Time, si H2Oz, M. Ang rate m/s Sched laste O 0.882 0.697 3.08 X10-3 120 0.566 2.18810-3 108

180 0,458 1.88 10 3 240 0.372 1.4 x 103 300 0.298 (1.2810-3 360 0.236 1.038 10 3 420 0.188 0.88 10 3 480 w O. 1520 o 0.6810-3 540 0.120 0.53X10-3 600 0.094 0.43X103 For Ist onder k= 0.693 pt/ k= 20.303 D@9[A1. k=2.303 log(0.882 N 60 0 CO - 6 k= 3.928102 S-1 Tuitial rate - 3.92X10-2 (0.8827 rate - 3.468 10-2 M 8-1