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TYPES OF REACTIONS

TYPES OF REACTIONS. All reactions fall into one of 5 categories The name of the type reveals what it is doing . If you know the word, it would give the equation away. By looking at the equation, you can tell what type of reaction it is. SYNTHESIS/ ADDITION REACTION.

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TYPES OF REACTIONS

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  1. TYPES OF REACTIONS • All reactions fall into one of 5 categories • The name of the type reveals what it is doing. If you know the word, it would give the equation away. • By looking at the equation, you can tell what type of reaction it is.

  2. SYNTHESIS/ ADDITION REACTION • SYNTHESIS MEANS TO MAKE • IN A SYNTHESIS REACTION, THE REACTANTS COMBINE TO MAKE 1 NEW SUBSTANCE.

  3. SYNTHESIS REACTION EQUATION Fe + S  FeS

  4. DECOMPOSITION REACTION • IT IS THE OPPOSITE OF A SYNTHESIS REACTION • TO DECOMPOSE MEANS TO ________ _______. • THE SINGLE REACTANT IS SPLIT INTO 2 PRODUCTS

  5. DECOMPOSITION • YOU ONLY HAVE ONE REACTANT • YOUR PRODUCT HAS MORE THAN ONE ELEMENT OR COMP.

  6. DECOMPOSITION EXAMPLE: • FeS  Fe + S

  7. SINGLE DISPLACEMENT • JUST WHAT IT SOUNDS LIKE. • ONE FREE ELEMENT IN THE EQUATION IS REPLACING THE POSITION OF ANOTHER PART OF A COMPOUND. • YOUR ELEMENT REACTANTS SWAP PLACES IN THE PRODUCT.

  8. SINGLE DISPLACEMENT • EXAMPLE EQUATION: • Fe + CuSO FeSO +Cu • you will have a SINGLE element and a SINGLE compound-both sides

  9. DOUBLE DISPLACEMENT • MORE COMPLICATED THAN SINGLE REPLACEMENT. • BOTH REACTANT COMPOUNDS SWAP PLACES ON THE OTHER SIDE OF THE EQUATION.

  10. DOUBLE DISPLACEMENT REACTION EXAMPLE: • KI + AlPO4 KPO4 +AlI • you have DOUBLE COMPOUNDS as reactants and products.

  11. COMBUSTION REACTIONS • COMBUST = ________________ • What is needed to burn? • So a combustion reaction is any reaction that produces energy from oxygen…sooo OXYGEN MUST BE A REACTANT!!

  12. COMBUSTION : • C8H + O2 CO2 + H2O • OXYGEN ALWAYS REACTANT • WATER AND CARBON DIOXIDE ARE ALWAYS PRODUCTS

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