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Which answer best describes what is happening in the following reaction? 2C8H18 + 25O2 mc022-1.jpg 16CO2 + 18H2O This is not a redox reaction. It is an example of combustion. This is a redox reaction in which octane (C8H18) is oxidized. This is a redox reaction in which carbon dioxide (CO2) burns due to ignition. This is not a redox reaction, because a solution of carbon dioxide and water results.

Respuesta :

Answer: The correct answer is it is an example of combustion.

Explanation:

Combustion reaction is defined as the reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide gas and water molecule.

General equation for these reactions are given as:

[tex]\text{Hydrocarbon}+O_2(g)\rightarrow CO_2(g)+H_2O(l)[/tex]

Redox reaction is a type of reaction in which reduction and oxidation reaction takes place simultaneously. One substance goes oxidation reaction and another goes reduction reaction.

Combustion reactions are also termed as oxidation reactions because oxygen is getting added to both carbon and hydrogen atoms.

Hence, the correct answer is it is an example of combustion.

Considering the definition of combustion, it is an example of combustion, where carbon dioxide and water  are produced.

Definition of combustion

Combustion means the process by which the burning of any substance, whether gaseous, liquid or solid, occurs. In this process, the fuel oxidizes and gives off heat, and, frequently, light.

Combustion reactions are reactions where oxygen intervenes as a reagent. Oxygen has the ability to combine with various elements to produce oxides, where then oxidation is the combination of oxygen with another substance. There are oxidations that are extremely slow, but when oxidation is rapid it is called combustion.

When a substance containing carbon and hydrogen (a hydrocarbon) undergoes complete combustion, or burning, oxygen is consumed and carbon dioxide is produced, and water.

Incomplete combustion can also occur when part of the fuel does not react completely because oxygen is not enough.

This case

In this case, you know the balanced reaction:

2 C₈H₁₈ + 25 O₂ → 16 CO₂ + 18 H₂O

It is an example of combustion, where carbon dioxide and water  are produced.

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