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This molecular drawing shows images of methane molecules

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 116P Chapter 3

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 116P

This molecular drawing shows images of methane molecules and oxygen molecules before and after a change. Was the change chemical or physical?

Step-by-Step Solution:
Step 1 of 3

Solution 116P

In this reaction, Methane and Oxygen chemically change into Carbon Dioxide (a greenhouse gas), Water, and release lots of thermal energy in the process. That's what happens in your gas furnace when you heat your home.

Let s take a good look at this reaction two ways, with words and with chemical symbols.

Reactants

 

Products

Methane +

Oxygen +

Thermal energy

Produces

Carbon dioxide +

Water +

Particulate "Unburned" Matter +

Light & Thermal Energy

 

CH4 +

2O2 +

Thermal energy

=>

CO2 +

2H2O +

PM +

Light & Thermal Energy

1

molecule

2

molecules

=>

1

molecule

...
Step 2 of 3

Chapter 3, Problem 116P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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This molecular drawing shows images of methane molecules

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