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Can we predict the product of a chemical reaction?

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Presentation on theme: "Can we predict the product of a chemical reaction?"— Presentation transcript:

1 Can we predict the product of a chemical reaction?

2 Types of Reactions Synthesis Decomposition Single Replacement
Double Replacement

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4 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 2H O2

5 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

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7 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

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10 Can we predict the product of a chemical reaction?

11 Types of Reactions Double Replacement Synthesis Decomposition
Single Replacement Double Replacement

12 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

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