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Asked Oct 5, 2019
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Use this data to answer the following questions.
Write the rate law for this reaction
rate
Calculate the value of the rate constant k.
Round your answer to 2 significant digits. k=
Also be sure your answer has the correct
unit symbol
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Use this data to answer the following questions. Write the rate law for this reaction rate Calculate the value of the rate constant k. Round your answer to 2 significant digits. k= Also be sure your answer has the correct unit symbol

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Expert Answer

Step 1

The rate law of a reaction is expressed as:

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Step 2

Now, we need to find the order of the reaction. This can be done by plotting graphs of time versus concentration. If the time vs ln[conc] gives a straight line it will be first order reaction. in the following way:

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In [HSPO4] | 1/НЗРО4] Time [НЗРО] (М) 0.100 (min) 0 - 2.303 10 10 0.0492 -3.012 20.325 -3.721 41.322 20 0.0242 30 0.0119 -4.431 84.034 40 0.00585 -5.141 170.940 Time vs [conc] Time vs In [conc] Time vs 1/[conc] 0.12 200 20 40 60 0.1 -1 150 0.08 2 0.06 100 0.04 50 -4 0.02 0 -5 0 20 60 0 40 60 -6 Time Time Time conc] 40 In [conc) 1/[conc] 20

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Step 3

Since, time vs ln [H3PO4] gives a straight line. Therefore, the reaction is first order.

The rate law for...

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Chemical Kinetics

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