Question
at 25C: the reaction H2O2 + 2Fe2 + 2H+ ---> products. about 1.20x10^-5 M of hydrogen peroxide solution was mixed with 1.00 x 10^-5M of
at 25C: the reaction H2O2 + 2Fe2 + 2H+ ---> products.
about 1.20x10^-5 M of hydrogen peroxide solution was mixed with 1.00 x 10^-5M of ferrous ion.
The order of the reaction was found to be zero with respect to H+, one with respect to H2O2 and one with respect to Fe2+
The amount of ferrous ion in the reaction was monitored and the ff data was obtained.
Time, min | Fe2+, M |
0 | 1 |
5.3 | .691x10^5 |
8.7 | 0.583x10^5 |
11.3 | 0.493x10^5 |
16.2 | 0.412x10^5 |
18.5 | 0.368x10^5 |
24.6 | 0.259x10^5 |
34.1 | 0.186x10^5 |
a) present the proposed rate law and the integrated rate law.
b) determine the rate constant and show the equation of best fit line and r^2 value
c) at t=15 min, what are the concentrations of h2o2 and Fe2
d) if Ea = 12kJ/mol, what is the value of the rate constant at T=80C
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