Which is a combustion reaction and which is not? a) CH4+2 F2 →CF4+2 H2 b) 2 H2+O2 →2 H2 O

Name: Problem 10, Chapter 4: Introductory Chemistry
Uploaded: 2022-04-10T13:39:11-08:00
Duration: 1 min 14 s
Channel: Susan Hallstrom
Description: Which is a combustion reaction and which is not? a) CH4+2 F2 →CF4+2 H2 b) 2 H2+O2 →2 H2 O

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Question

Which is a combustion reaction and which is not? a) $\mathrm{CH}_{4}+2 \mathrm{~F}_{2} \rightarrow \mathrm{CF}_{4}+2 \mathrm{H}_{2}$ b) $2 \mathrm{H}_{2}+\mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}$

   Which is a combustion reaction and which is not?
a) $\mathrm{CH}_{4}+2 \mathrm{~F}_{2} \rightarrow \mathrm{CF}_{4}+2 \mathrm{H}_{2}$
b) $2 \mathrm{H}_{2}+\mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}$

Introductory Chemistry

David W. Ball,… 1st Edition

Chapter 4, Problem 10

Instant Answer

Solved by Expert Susan Hallstrom

04/10/2022

Step 1

A combustion reaction is a type of chemical reaction where a compound (usually a hydrocarbon) reacts with an oxidant (usually oxygen) to produce heat and light. The general form of a combustion reaction is: Fuel + O2 → CO2 + H2O. Show more…

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Which is a combustion reaction and which is not? a) $\mathrm{CH}_{4}+2 \mathrm{~F}_{2} \rightarrow \mathrm{CF}_{4}+2 \mathrm{H}_{2}$ b) $2 \mathrm{H}_{2}+\mathrm{O}_{2} \rightarrow 2 \mathrm{H}_{2} \mathrm{O}$

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Key Concepts

Combustion Reaction

A combustion reaction is a chemical process in which a fuel reacts rapidly with an oxidizer to produce heat and light. In typical combustion, the fuel often contains carbon and hydrogen and reacts with oxygen to form products like carbon dioxide and water while releasing energy.

Role of the Oxidizer (Typical Use of Oxygen)

Oxygen is the most common oxidizing agent in combustion reactions. Its presence is critical for the rapid oxidation of fuels, ensuring the reaction produces the characteristic products and energy release. When the oxidizer is not oxygen, the reaction may not be classified as a typical combustion reaction.

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