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Home / Questions / Rate Law from Concentration versus Time Data NO2(g) + CO(g) --> NO(g) + CO2(g) The rate ...

Rate Law from Concentration versus Time Data NO2(g) + CO(g) --> NO(g) + CO2(g) The rate of the above reaction depends only on the concentration of nitrogen dioxide at temperatures below 225°C. At

Rate Law from Concentration versus Time Data

NO2(g) + CO(g) --> NO(g) + CO2(g)


The rate of the above reaction depends only on the concentration of nitrogen dioxide at temperatures below 225°C.
At a temperature below 225°C the following data were obtained:

Time
(s)

[NO2]
(mol/L)

0

0.560

1.75×103

0.507

4.38×103

0.444

6.56×103

0.403

1.31×104

0.315

2.62×104

0.219



Which of the following expressions for the rate law (either differential or integrated) are completely consistent with the above experimental data.


Yes No  -d[NO2]/dt = k[NO2]2

Yes No  d[CO2]/dt = k[NO2]

Yes No  d[CO2]/dt = k[NO2]2

Yes No  [NO2] = [NO2]0e-kt

Yes No  ln[NO2] - ln[NO2]0 = -kt

Calculate the rate constant (k).
Enter the numerical value and corresponding units.

Jun 16 2021 View more View Less

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