The catalyzed decomposition of H2O2 in aqueous solution was followed by removing equal volume samples at various time intervals and titrating them with KMNO4to determine the undecomposed H2O2. The results obtained were:Time, min10203050Volume of KMNO4, mL37.129.819.612.35.0The reaction is in fırst order. Ascertain the value of the rate constant.1.257/minO 0.0446/minO 0.0988/minO 76.1/min

We have to calculate the value of rate constant.

Answered: The catalyzed decomposition of H2O2 in…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In a study of the gas phase decomposition of sulfuryl chloride at 600 K SO₂Cl₂(g) →SO₂(g) + Cl₂(g) the concentration of SO₂Cl₂ was followed as a function of time. It was found that a graph of In[SO₂Cl₂] versus time in minutes gave a straight line with a slope of -4.14x10-³ min-¹ and a y-intercept of -6.41. Based on this plot, the reaction is min-¹. -1 order in SO₂Cl2 and the rate constant for the reaction is
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For the gas phase decomposition of phosphine at 120 °C 4 PH3 (9) → P4 (9)+ 6 H₂ (9) the following data have been obtained: [PH3], M time, s 0 The average rate of disappearance of PH3 over the time period from t = 0s to t = 23.0 s is 0.0644 0.0426 0.0281 0.0186 23.0 46.0 69.0 M/s.
The reaction rate for the decomposition of N2O5 to form NO2 and O2 was studied as a function of temperature. The first order reaction rate constants were found to be: What is the Ea for this reaction in kJ/mol? Use Excel to plot the pertinent data and use linear regression to calculate the slope of the line connecting your data.
For the gas phase decomposition of nitrogen dioxide at 383 °C2 NO2 -------> 2 NO + O2the following data have been obtained: [NO2], M 0.423 0.178 0.113 7.61x10-2 time, s 0 6.00 12.0 18.0 The average rate of disappearance of NO2 over the time period from t = 6.00 s to t = 12.0 s is ________ M s-1.
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Derive the rate law of the decomposition of ozone in the reaction: 2 O3(s) -> 3 O2 (g) In the basis of the incomplete mechanism O3(s) -> O2 + O Ka O2 + O -> O3 K'a O + O2 -> O2 + O2 Kb

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