Identifying 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 simple substances combine to form a more complex product. Example: A + B → AB.

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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: AB → A + B.

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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: A + BC → AC + B.

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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 a Combustion Reaction?

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A combustion reaction is a type of chemical reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat. Example: Hydrocarbon + O2 → CO2 + H2O.

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What is an Exothermic Reaction?

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An exothermic reaction is a chemical reaction that releases energy, usually in the form of heat. Example: Combustion of fuels.

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What is an Endothermic Reaction?

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An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat. Example: Photosynthesis.

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What is the general equation for a Combustion Reaction?

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The general equation for a combustion reaction is: Hydrocarbon + O2 → CO2 + H2O.

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What happens to temperature in an Exothermic Reaction?

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In an exothermic reaction, the temperature of the surroundings increases as energy is released.

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What happens to temperature in an Endothermic Reaction?

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In an endothermic reaction, the temperature of the surroundings decreases as energy is absorbed.