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Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
Types of Chemical Reactions
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Types of Chemical Reactions

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  • 1. Product or Reactant? • H2SO4 + BaCl2 1. BaCl2 Reactant Product 2. HCl 3. BaSO4 4. H2SO4 Product Reactant 2HCl + BaSO4
  • 2. Review Chemical Reactions Law of Conservation of Matter
  • 3. 1. Synthesis Reactions Combining of several simple substances to form a more complicated substance
  • 4. Synthesis Reactions A + B  AB A = element B = element AB = compound
  • 5. Synthesis Reactions 2Mg + O  2MgO 2 Magnesium (A) + Oxygen (B) Magnesium oxide (AB)
  • 6. 2. Decomposition Reactions The break down of a compound into simpler substances AB  A + B Opposite of synthesis
  • 7. Decomposition Reactions 2H O  2 2H2 + O2 Done by electrolysis
  • 8. 3. Single Replacement A free element takes the place of, or replaces, another element Takes place between an element and a compound
  • 9. Single Replacement A + BC  AC + B A – free element BC - compound AC – new compound B - new free element
  • 10. Single Replacement Zn + 2HCl  ZnCl2 + H2 Hydrogen is set free
  • 11. 4. Double Replacement  Two elements in two different compounds switch places with each other  Takes place between two compounds  Two new compounds form
  • 12. Double Replacement AB + CD  AD + CB AB – compound 1 CD – compound 2 AD – new compound 1 CB – new compound 2
  • 13. Double Replacement  Na(OH) + HCl  NaCl + H(OH)  (OH) and Cl change places  2 new compounds form  NaCl and H O 2
  • 14. These reactions can be… ExothermicHeat is given off It feels hot!
  • 15. These reactions can be… EndothermicHeat is absorbed It feels cold!

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