Classifying Reactions

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What is a combustion reaction?

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A combustion reaction is a chemical reaction where a substance rapidly combines with oxygen (O2) to form one or more oxides, typically releasing energy in the form of heat and light.

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What is a decomposition reaction?

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A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more simpler products.

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What is a synthesis reaction?

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A synthesis reaction is a chemical reaction in which two or more reactants combine to form a single product.

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What is a single replacement reaction?

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A single replacement reaction is a chemical reaction where the cation of one compound replaces the cation of a second compound.

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What is a double replacement reaction?

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A double replacement reaction is a chemical reaction where the cations and anions of two different compounds exchange places, forming two new compounds.

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Example of a combustion reaction.

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An example of a combustion reaction is the burning of methane: CH4 + 2O2 → CO2 + 2H2O.

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Example of a decomposition reaction.

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An example of a decomposition reaction is the breakdown of potassium chlorate: 2KClO3 → 2KCl + 3O2.

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Example of a synthesis reaction.

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An example of a synthesis reaction is the formation of water: 2H2 + O2 → 2H2O.

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Example of a single replacement reaction.

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An example of a single replacement reaction is: Zn + CuSO4 → ZnSO4 + Cu.

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Example of a double replacement reaction.

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An example of a double replacement reaction is: AgNO3 + NaCl → AgCl + NaNO3.