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The source of oxygen that drives the internal combustion

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 112 Chapter 3

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 112

The source of oxygen that drives the internal combustion engine in an automobile is air. Air is a mixture of gases, principally N2(~79%) and O2(~20%). In the cylinder of an automobile engine, nitrogen can react with oxygen to produce nitric oxide gas, NO. As NO is emitted from the tailpipe of the car, it can react with more oxygen to produce nitrogen dioxide gas. (a) Write balanced chemical equations for both reactions, (b) Both nitric oxide and nitrogen dioxide are pollutants that can lead to acid rain and global warming; collectively, they are called ‘NOx' gases. In 2007, the United States emitted an estimated 22 million tons of nitrogen dioxide into the atmosphere. How many grams of nitrogen dioxide is this? (c) The production of NOx gases is an unwanted side reaction of the main engine combustion process that turns octane, C8H18, into C02 and water. If 85% of the oxygen in an engine is used to combust octane and the remainder used to produce nitrogen dioxide, calculate how many grams of nitrogen dioxide would be produced during the combustion of 500 g of octane.

Step-by-Step Solution:

Step 1 : Answer : Given Mixture of gases present in the air . Nitrogen =79% Oxygen =20% Here nitrogen reacts with oxygen to give nitric oxide . The balanced equation of this reaction is N2(g)+O2(g) 2NO(g). Later this NO reacts with oxygen and forms NO2 gas . The balanced equation is 2NO(g)+O2(g)2NO2 (g) Step 2 As per the given information given We know that

Step 3 of 4

Chapter 3, Problem 112 is Solved
Step 4 of 4

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. Since the solution to 112 from 3 chapter was answered, more than 1349 students have viewed the full step-by-step answer. This full solution covers the following key subjects: nitrogen, dioxide, oxygen, engine, produce. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. The full step-by-step solution to problem: 112 from chapter: 3 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. The answer to “The source of oxygen that drives the internal combustion engine in an automobile is air. Air is a mixture of gases, principally N2(~79%) and O2(~20%). In the cylinder of an automobile engine, nitrogen can react with oxygen to produce nitric oxide gas, NO. As NO is emitted from the tailpipe of the car, it can react with more oxygen to produce nitrogen dioxide gas. (a) Write balanced chemical equations for both reactions, (b) Both nitric oxide and nitrogen dioxide are pollutants that can lead to acid rain and global warming; collectively, they are called ‘NOx' gases. In 2007, the United States emitted an estimated 22 million tons of nitrogen dioxide into the atmosphere. How many grams of nitrogen dioxide is this? (c) The production of NOx gases is an unwanted side reaction of the main engine combustion process that turns octane, C8H18, into C02 and water. If 85% of the oxygen in an engine is used to combust octane and the remainder used to produce nitrogen dioxide, calculate how many grams of nitrogen dioxide would be produced during the combustion of 500 g of octane.” is broken down into a number of easy to follow steps, and 185 words.

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