This reaction was studied at and the following data was obtained:

| Run | | | |
|:---:|:---:|:---:|:---:|
| 1 | 0.10 | 0.10 | 0.18 |
| 2 | 0.10 | 0.20 | 0.35 |
| 3 | 0.20 | 0.20 | 1.40 |

and a

Question

This reaction was studied at  and the following data was obtained:

| Run |  |  |  |
|:---:|:---:|:---:|:---:|
| 1 | 0.10 | 0.10 | 0.18 |
| 2 | 0.10 | 0.20 | 0.35 |
| 3 | 0.20 | 0.20 | 1.40 |

and  are the initial concentrations and  is the initial reaction rate. The overall order of the reaction is  (Round off to the Nearest Integer).

Canvas Classes · Accepted Answer

Order w.r.t.  (Runs 1 & 2, [NO] constant):

Order w.r.t. NO (Runs 2 & 3,  constant):

Overall order =

Answer: 3

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