Question

The progress of a reaction is tracked by following the concentration of one reactant as it is consumed. The table gives the c
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Answer:

The plot [R] vs time is shown below

0.006 (Os, 0.006M) 0.005 |(15s, 0.00478M) On [R] (mol/L) (100s, 0.00136) (125s, 0.000957) 0.001 0.000- 0 50 100 200 250 300 1

(Since 1 mol/L=1M)

Rate = ΔC/ Δt=|C2-C1|/(t2-t1)

Rate (t=0s to t=15s)=|Ct=15s - Ct=0s|/(15s-0s)=|(0.00478 M - 0.006 M)|/(15s)

Rate (t=0s to t=15s)=8.133 x 10-5 M/s

Rate (t=100s to t=125s)=|Ct=125s - Ct=100s|/(125s-100s)=|(0.000957 M - 0.00136 M)|/(25s)

Rate (t=100s to t=125s)=1.612 x 10-5 M/s.

Please let me know if you have any doubts. Thanks.

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