What’s in a name?<br />The FIVE General Types of Chemical Reactions<br />
Definition: A reaction in which TWO or more substances combine to form a SINGLEnew compound.<br />Characteristics:<br />Ge...
Example of Synthesis Reaction<br />Formula Equation: A chemical equation written in proper chemical formulas ONLY.<br />	N...
Additional Example of Synthesis Reactions<br />Example  #2: <br />     Fe            +      O 2           ->      	Fe3O2<b...
H2O    ->     H2       +O2 <br />This reaction only takes place during electrolysis; when an electrical current is used. <...
Definition: A reaction in which ONE substance breaks down to form TWO or more simpler substances. <br />Characteristics:<b...
Example of Decomposition Reaction<br />Example:<br />CuCO3  -> CuO + CO2<br />NOTE:  We can easily tell the difference che...
Additional Example of Decomposition Reactions<br />Formula Equation:<br />I4O9-> I2O6 + I2<br />
Example #1: <br />Al  + Pb(NO3)2-> Pb + Al(NO3)3<br />NOTE: The colors help you keep track of where the element is written...
Definition: A reaction in which ONE element takes the place of another element in a compound. <br />Characteristics:<br />...
Example of Single-Replacement Reaction<br /><ul><li>Example #1: </li></ul>Al  + Pb(NO3)2-> Pb + Al(NO3)3<br />
Additional Example of Single-Replacement Reactions<br />Cu + AgNO3 -> CuNO3 + Ag<br />** Copper and Silver Nitrate Reactio...
Non-Example of Single-Replacement Reaction<br />Pb(NO3)2+ KI  -> PbI2+ KNO3<br />
Definition: A reaction in which appears exchange of atoms or ions between two compounds has occurred. <br />Characteristic...
Example of Double -Replacement Reaction<br />Pb(NO3)2+ KI  -> PbI2+ KNO3<br />
Additional Example of Double-Replacement Reactions<br />Formula Equation: <br />NaCl+ AgF-> NaF+ AgCl<br />
Formula Equation: <br />Non-Example of Double-Replacement Reaction<br />1) CuCO3  -> CuO + CO2<br />2) Na + Cl2  ->  NaCl<...
Definition: A combustion reaction is when oxygen combines with another compound to form water and carbon dioxide.* <br />C...
Additional Examples of Combustion Reaction<br />Example #1: <br />CH4 + O2 -> CO2+ H2O<br />Example #2: <br />C3H8+ O2 -> ...
Non-Example of Combustion Reaction<br />1) CuCO3 -> CuO+ CO2<br />2) Na +  Cl ->  NaCl<br />3) NaCl+ AgF-> NaF+ AgCl<br />
In-Class Assignment<br />Complete Questions 1-10 on Worksheet: Classification of Chemical Reactions<br />Sample Problem - ...
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Classification of Chemical Reactions

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Microsoft Power Point presentation used to teach the five types of chemical reactions to Chemistry I Honors

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Classification of Chemical Reactions

  1. 1. What’s in a name?<br />The FIVE General Types of Chemical Reactions<br />
  2. 2. Definition: A reaction in which TWO or more substances combine to form a SINGLEnew compound.<br />Characteristics:<br />General Formula: A + X -> AX<br />Synthesis Reaction<br />
  3. 3. Example of Synthesis Reaction<br />Formula Equation: A chemical equation written in proper chemical formulas ONLY.<br /> Na + Cl2 -> NaCl<br />Notice how the product, NaCl: is chemically different from both the reactants, Sodium - METAL, and Chlorine – GREEN GAS. <br />
  4. 4. Additional Example of Synthesis Reactions<br />Example #2: <br /> Fe + O 2 -> Fe3O2<br />This is the chemical process we call, RUST. <br />
  5. 5. H2O -> H2 +O2 <br />This reaction only takes place during electrolysis; when an electrical current is used. <br />Non-Example of Synthesis Reaction<br />** The Electrolysis of Water - Movie<br />
  6. 6. Definition: A reaction in which ONE substance breaks down to form TWO or more simpler substances. <br />Characteristics:<br />General Formula: AX -> A + X<br />Usually occurs in the presence of heat or electricity.<br />Decomposition Reaction<br />
  7. 7. Example of Decomposition Reaction<br />Example:<br />CuCO3 -> CuO + CO2<br />NOTE: We can easily tell the difference chemically between CuCO3 and CuO because of the CHANGE IN COLOR. <br />
  8. 8. Additional Example of Decomposition Reactions<br />Formula Equation:<br />I4O9-> I2O6 + I2<br />
  9. 9. Example #1: <br />Al + Pb(NO3)2-> Pb + Al(NO3)3<br />NOTE: The colors help you keep track of where the element is written in the equation. <br />Non-Example of Decomposition Reaction<br />
  10. 10. Definition: A reaction in which ONE element takes the place of another element in a compound. <br />Characteristics:<br />General Formula: A + BX -> AX + B<br />Single-Replacement Reaction<br />
  11. 11. Example of Single-Replacement Reaction<br /><ul><li>Example #1: </li></ul>Al + Pb(NO3)2-> Pb + Al(NO3)3<br />
  12. 12. Additional Example of Single-Replacement Reactions<br />Cu + AgNO3 -> CuNO3 + Ag<br />** Copper and Silver Nitrate Reaction - Clip<br />
  13. 13. Non-Example of Single-Replacement Reaction<br />Pb(NO3)2+ KI -> PbI2+ KNO3<br />
  14. 14. Definition: A reaction in which appears exchange of atoms or ions between two compounds has occurred. <br />Characteristics:<br />General Formula: AY + BX -> AX + BY<br />Double-Replacement Reaction<br />
  15. 15. Example of Double -Replacement Reaction<br />Pb(NO3)2+ KI -> PbI2+ KNO3<br />
  16. 16. Additional Example of Double-Replacement Reactions<br />Formula Equation: <br />NaCl+ AgF-> NaF+ AgCl<br />
  17. 17. Formula Equation: <br />Non-Example of Double-Replacement Reaction<br />1) CuCO3 -> CuO + CO2<br />2) Na + Cl2 -> NaCl<br />
  18. 18. Definition: A combustion reaction is when oxygen combines with another compound to form water and carbon dioxide.* <br />Characteristics:<br />A common combustion reactant is oxygen.<br />Two common combustion products are carbon dioxide and water.<br />Combustion Reaction<br />
  19. 19. Additional Examples of Combustion Reaction<br />Example #1: <br />CH4 + O2 -> CO2+ H2O<br />Example #2: <br />C3H8+ O2 -> CO2 + H2O<br />
  20. 20. Non-Example of Combustion Reaction<br />1) CuCO3 -> CuO+ CO2<br />2) Na + Cl -> NaCl<br />3) NaCl+ AgF-> NaF+ AgCl<br />
  21. 21. In-Class Assignment<br />Complete Questions 1-10 on Worksheet: Classification of Chemical Reactions<br />Sample Problem - Q10<br /> Ca(OH)2 + H2SO4-> CaSO4 + H2O<br />

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