Types of Reactions

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What is a synthesis reaction?

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A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product. Example: 4Si + S8 → 2Si2S4.

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What is a decomposition reaction?

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A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products. Example: 2Pb(NO3)2 → 2PbO + 4NO2 + O2.

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What is a single replacement reaction?

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A single replacement reaction is a type of chemical reaction where one element replaces another in a compound. Example: Fe + H2SO4 → Fe2(SO4)3 + H2.

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What is a double replacement reaction?

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A double replacement reaction is a type of chemical reaction where two compounds exchange ions or bonds to form two new compounds. Example: AB + CD → AD + CB.

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What is combustion?

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Combustion is a chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light. Example: CH4 + 2O2 → CO2 + 2H2O.

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What is the law of conservation of mass?

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The law of conservation of mass states that in a closed system, the total mass of reactants equals the total mass of products in a chemical reaction.

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What are reactants in a chemical reaction?

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Reactants are the starting substances in a chemical reaction that undergo change to form products.

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What are products in a chemical reaction?

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Products are the substances formed as a result of a chemical reaction.

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What is an example of a synthesis reaction?

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An example of a synthesis reaction is: P4 + 3O2 → 2P2O3.

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What is an example of a decomposition reaction?

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An example of a decomposition reaction is: 2H2O → 2H2 + O2.