[H2O2] (mol L-) A[H2O2] (mol L"1) At (h) Rate of Decomposition, (mol/L/h) Time (h) 0.00 1.000 -0.500 6.00 -0.0833 6.00 0.500 -0.250 6.00 -0.0417 12.00 0.250 -0.125 6.00 -0.0208 18.00 0.125 -0.062 6.00 -0.0103 24.00 0.0625- Figure 12.2 The rate of decomposition of H2O2 in an aqueous solution decreases as the concentration of H2O2 decreases.

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Show that the data as shown can be represented by a first-order rate law by graphing ln[H2O2] versus time. Determine the rate constant for the rate of decomposition of H2O2 from this data.

[H2O2] (mol L-)
A[H2O2] (mol L"1)
At (h)
Rate of Decomposition,
(mol/L/h)
Time (h)
0.00
1.000
-0.500
6.00
-0.0833
6.00
0.500
-0.250
6.00
-0.0417
12.00
0.250
-0.125
6.00
-0.0208
18.00
0.125
-0.062
6.00
-0.0103
24.00
0.0625-
Figure 12.2 The rate of decomposition of H2O2 in an aqueous solution decreases as the concentration of H2O2
decreases.
Transcribed Image Text:[H2O2] (mol L-) A[H2O2] (mol L"1) At (h) Rate of Decomposition, (mol/L/h) Time (h) 0.00 1.000 -0.500 6.00 -0.0833 6.00 0.500 -0.250 6.00 -0.0417 12.00 0.250 -0.125 6.00 -0.0208 18.00 0.125 -0.062 6.00 -0.0103 24.00 0.0625- Figure 12.2 The rate of decomposition of H2O2 in an aqueous solution decreases as the concentration of H2O2 decreases.
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