The reaction of nitrogen monoxide with ozone at 25 degreeC NO + O_3rightarrowNO_

Question

The reaction of nitrogen monoxide with ozone at 25 degreeC NO + O_3rightarrowNO_2 + O_2 is first order in NO and first order in O_3. Complete the rate law for this reaction in the box below. Use the form k[A]^m[B]^n..., where '1' is understood for m, n... (don't enter 1) and concentrations taken to the zero power do not appear. Rate = In an experiment to determine the rate law, the rate constant was determined to be 104 M^-1s^-1. Using this value for the rate constant, the rate of the reaction when [NO] = 0.155 M and [O_3] = 1.83times10^-2 M would be Ms^-1.

Explanation / Answer

NO + O3 ------> NO2 + O2

Rate = K[NO][O3]

[NO] = 0.155M

[O3] = 1.83*10-2 M = 0.0183m

K = 104M-1sec-1

Rate= 104*0.155*0.0183 = 0.294996M/sec

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