Types of Chemical Reactions

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What is a Decomposition Reaction?

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A 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 Synthesis Reaction?

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A chemical reaction where two or more reactants combine to form a new substance. Example: A + B → AB.

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What is a Single Replacement Reaction?

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A reaction where one element replaces another in a compound. General formula: A + BC → B + AC.

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What is a Double Replacement Reaction?

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A reaction where two compounds exchange ions or bonds to form two new compounds. General formula: AB + CD → AC + BD.

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What is a Combustion Reaction?

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A reaction that involves the burning of a substance in the presence of oxygen, producing heat and light. Example: Hydrocarbon + O2 → CO2 + H2O.

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How does a chemical change differ from a physical change?

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A chemical change creates a new substance, while a physical change does not.

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What is the general formula for a Decomposition Reaction?

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AB → A + B.

Front

What is the general formula for a Synthesis Reaction?

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A + B → AB.

Front

What is the general formula for a Single Replacement Reaction?

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A + BC → B + AC.

Front

What is the general formula for a Double Replacement Reaction?

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AB + CD → AC + BD.