   # Compare the rates of disappearance of NO(g) and O 2 (g) for the reaction 2 NO(g) + O 2 (g) → 2 NO 2 (g). (a) The rates are equal. (b) The rate of disappearance of NO(g) is twice the rate of disappearance of O 2 (g). (c) The rate of disappearance of NO(g) is one half the rate of disappearance of O 2 (g). (d) The rates are not related. ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

#### Solutions

Chapter
Section ### Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 14.1, Problem 1RC
Textbook Problem
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## Compare the rates of disappearance of NO(g) and O2(g) for the reaction 2 NO(g) + O2(g) → 2 NO2(g). (a) The rates are equal. (b) The rate of disappearance of NO(g) is twice the rate of disappearance of O2(g). (c) The rate of disappearance of NO(g) is one half the rate of disappearance of O2(g). (d) The rates are not related.

Interpretation Introduction

Interpretation:

The rate of disappearance should be identified.

Concept introduction:

The Reaction Rate for a given chemical reaction is the measure of the change in concentration of the reactants or the change in concentration of the products per unit time.

### Explanation of Solution

(a)

The given reaction is shown below,

2NO(g)+O2(g)2NO2(g)

Two molecule of NO is reaction with one molecule of oxygen. Therefore,

The rate of the reaction is given below,

rate =K[NO]2[O

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