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They release energy (they are exothermic).

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8y ago

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What is true about combustion reactions?

Combustion reactions involve a substance combining rapidly with oxygen gas to produce heat, light, and often a flame. They are exothermic reactions, meaning they release energy in the form of heat. Combustion reactions are commonly used in engines, stoves, and heaters.


Most chemical reactions can be divided into five main groups?

Chemical reactions can be divided into five main groups: combination, decomposition, single replacement, double replacement, and combustion reactions. Each group involves specific changes in the arrangement of atoms and molecules.


Why is combustion reactions an oxidation reactions in small amount?

Combustion is an oxidation reaction - a reaction with oxygen.


Are all combustion reactions redox processes?

Yes, all combustion reactions are redox processes.


Why is combustion reactions an oxidation reactions?

Combustion reactions involve the rapid combination of a substance with oxygen, resulting in the release of energy in the form of heat and light. During combustion, the substance being oxidized loses electrons, which is characteristic of oxidation reactions. Therefore, combustion reactions are considered oxidation reactions because they involve the transfer of electrons to oxygen.


What can be used to predict whether most single replacement reactions will take place?

combustion


What can be used to predict whether most single-replacement reactions will take place?

combustion


Do substance actually burn in combustion reactions?

The fuel burns, oxygen or some other oxidizing agent, isn't burning, it supports the combustion of the fuel.


Is combustion exothermic or endothermic?

exothermic reactions are the reactions which give out heat and endothermic reactions are the reaction which absorb heat.so combustion is an exothermic reaction.


What are combustion reactions?

Oxidation.


Are Ombustion reactions exothermic or endothermic?

Combustion reactions are exothermic.


Is nitrogen a combustion reaction?

Nitrogen itself does not undergo combustion reactions as it is chemically stable. However, nitrogen in compounds can participate in combustion reactions, where it typically forms nitrogen oxides as products.