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4) A reaction is performed to study the reaction of nitrogen dioxide with carbon monoxide: NO2...

4)

A reaction is performed to study the reaction of nitrogen dioxide with carbon monoxide:

  • NO2 + CO ---> NO + CO2

The following reaction rate data was obtained in four separate experiments.

Experiment [NO2]0, M [CO]0, M Initial Rate, Ms-1
1 1.54 0.435 1.33
2 3.08 0.435 5.31
3 1.54 0.870 1.33
4 3.08 0.870 5.31



What is the rate law for the reaction and what is the numerical value of k?

Complete the rate law in the box below.
Remember that an exponent of '1' is not shown and concentrations taken to the zero power do not appear.

Rate =   



k = ___ M-1s-1.

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Answer #1

Rate law for given reaction.

As concentration of NO2 double the rate of reaction becomes four time

Rate = k[NO2]2

Form exp 1

K = 1.33/(1.54)2

K =0.561

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