Nitrogen Dioxide Reacts with Carbon Monoxide to Produce Nitrogen Monoxide

question 15

Multiple Choice

Nitrogen dioxide reacts with carbon monoxide to produce nitrogen monoxide and carbon dioxide.
$\begin{array}{l}2 \mathrm{NO}_{2}(g) \rightleftharpoons \mathrm{NO}_{3}(g) +\mathrm{NO}(g) &(fast, equilibrium) \\\mathrm{NO}_{3}(g) +\mathrm{CO}(g) \rightarrow \mathrm{NO}_{2}(g) +\mathrm{CO}_{2}(g) &(slow) \end{array}$

What is a rate law that is consistent with the proposed mechanism?

• A) rate = k[NO₂]²×[CO]× [NO]^-1
• B) rate = k[NO₂]²×[CO]
• C) rate = k[NO₂]×[CO]
• D) rate = k[NO₃]×[CO]
• E) rate = k[NO₂]²

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Definitions:

Conversion Costs

The combined costs of direct labor and manufacturing overhead, which are incurred to convert raw materials into finished goods.

Process Costing

A costing method used in mass production where costs are assigned to processes or departments, not individual units.

Conversion Costs

The total expense required to convert raw materials into finished goods, including labor and overhead costs.

Process Costing

An accounting methodology that traces and accumulates direct costs, and allocates indirect costs of a manufacturing process, to calculate the total cost of manufacturing a product.