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:

Direct Method

An accounting approach for preparing the cash flow statement where operating cash receipts and payments are listed directly.

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are stocks of goods and materials held by a business in anticipation of future sales or production needs.

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The total amount of money generated by the sale of goods or services before any costs or expenses are deducted.

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An approach to preparing the cash flow statement where actual cash flow information from operating activities is used.