Types of Chemical Reactions. Synthesis Reactions Fe + O2O2 Fe 2 O 3 4 3 2 A + B AB.

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Presentation transcript:

Types of Chemical Reactions

Synthesis Reactions Fe + O2O2 Fe 2 O A + B AB

Decomposition Reactions H2OH2O electricity H2H2 + O2O2 22 ABAB A + B

Single Displacement Reactions Mg + Ag + Mg(NO 3 ) NO 3

A + BACAC + B Remember that in deciding which element is replaced (displaced),we use the general rule that metal replacing metal and non-metal replacing non-metal. Br 2 +CaCaBr 2 + I2I2 CB I2I2 I2I2

Double Displacement Reactions Pb + KIKI PbI 2 KNO (NO 3 ) 2

Combustion Reactions H2H2 + O2O2 H2OH2O2 2 C + O2O2 CO 2

Combustion of Ethane (C 2 H 6 ) Complete combustion… Only two products in the complete combustion of a hydrocarbon. C2H6C2H6 + O2O2 CO 2 + H2OH2O6 472

Incomplete Combustion C 24 H O 2 → 5C + 8CO H 2 O + 11CO Four products result in the incomplete combustion of a hydrocarbon.

General Formulas Synthesis A + B  AB Decomposition AB  A + B Single Displacement A + BC  B + AC Double Displacement AB + CD  AD + CB

More General Formulas Complete combustion of hydrogen H 2 + O 2  H 2 O Complete combustion of carbon C + O 2  CO 2 Complete combustion of a hydrocarbon C x H y + O 2  CO 2 + H 2 O Incomplete combustion of a hydrocarbon C x H y + O 2  C + CO + CO 2 + H 2 O

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