Can we predict the product of a chemical reaction?

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Presentation transcript:

Can we predict the product of a chemical reaction?

Types of Reactions Synthesis Decomposition Single Replacement Double Replacement

Decomposition GENERAL FORMULA AX è A + X 2H2O è 2H2 + O2 An input of energy causes one substance to break up (decompose) into smaller pieces GENERAL FORMULA Compound è two or more substance AX è A + X example 2H2O è 2H2 + O2

Synthesis GENERAL FORMULA A + X è AX 2H2 + O2 è 2H2O Reaction in which two substances combine to form one substance GENERAL FORMULA two or more substance è Compound A + X è AX example 2H2 + O2 è 2H2O

Single Replacement GENERAL FORMULA A + BX è AX + B (cation) Reaction in which one element takes the place of another in a compound GENERAL FORMULA Element + Compound è Compound + Element A + BX è AX + B (cation) Y + CZ è CY + Z (anion) example Zn + 2HCl è ZnCl2 + H2

Can we predict the product of a chemical reaction?

Types of Reactions Double Replacement Synthesis Decomposition Single Replacement Double Replacement

Double Replacement AY + BX è AX + BY The anion and cations of two compounds are interchanged GENERAL FORMULA Compound + Compound è Compound + Compound AY + BX è AX + BY example Cu3(PO4)2 + Na2S èNa3PO4 + CuS