Types of Chemical Reactions

Maggie Lou Geiger

Synthesis

-Definition: A reaction in which two or more substances react to form a single substance.

-Equation: A+B=AB

-Examples: H2+O2--->H2O

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Decomposition

-Definition: A reaction in which a compound breaks down into two or more simpler substances.

-Equation: AB--->A+B

-Examples: NaCl--->Na+Cl2

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Single Replacement

-Definition: A reaction in which one element takes the place of another element in a compound.

-Equation: A+BC--->B+AC

-Examples: F2+MgBr2--->Br2+MgF2

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Double Replacement

-Definition: One in which two different compounds exchange positive ions and form two new compounds.

-Equation: AB+CD--->AD+BC

-Examples: NaBr+H2SO4--->HBr+Na2SO4

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Combustion

-Definition: One in which a substance reacts rapidly with oxygen, often producing heat and light.

-Equation: None

-Examples: CxHx+O2--->CO2+H2O

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