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REACTION TYPES

REACTION TYPES. Valerie Linacre & Kareena Klahr. ** Left click mouse to view slides. Types of Reactions. Single Displacement Double Displacement Combination Combustion Decomposition. A chemical reaction whereby a free element substitutes for another element in a compound.

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REACTION TYPES

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  1. REACTION TYPES Valerie Linacre & Kareena Klahr ** Left click mouse to view slides

  2. Types of Reactions Single Displacement Double Displacement Combination Combustion Decomposition

  3. A chemical reaction whereby a free element substitutes for another element in a compound. In this type of reaction, displacement normally occurs when A is more reactive than B Generic Formula: A + BX AX + B A + BX B + AX A + BX X + AB (or BA) Single Displacement

  4. Single Displacement

  5. Single Displacement • Examples: • Mg + 2HCl MgCl2 + H2 • Cu + AgNO3 Ag + CuNO3 • Cl2 + CH4 4H + CCl2

  6. Double Displacement • When two or more reactants form one product which is either a solid compound or a molecular compound • Generic Formula: • AX + BY AY + BX

  7. Double Displacement

  8. Double Displacement • Examples: • Ag NO3 + NaCl AgCl + NaNO3 • Pb(NO3)2 + 2 KI PbI2 + 2 KNO3

  9. Combination • A chemical reaction where one compound is formed from two elements and/or compounds • Generic Formula: • A + B AB

  10. Combination

  11. Combination • Examples: • 8 Fe + S8 8 FeS • CaO + CO2 CaCO3

  12. Decomposition • A chemical reaction where one compound decomposes into two or more elements and/or compounds • Generic Formula: • AB A + B

  13. Decomposition • Examples: • 2H2O O2 + 2H2O • H2CO3 H2O + C02

  14. Combustion • A chemical reaction of an element or compound with oxygen • Combustion normally is with a flame • Generic Formula: • Carbon-Hydrogen Compound Carbon Dioxide + Water

  15. Combustion • When carbon-hydrogen compounds go through combustion with an excess of oxygen, the products are carbon dioxide and water • When these compounds go through combustion with less oxygen, the products can also be carbon monoxide

  16. Combustion • Example: • With an excess of oxygen… • CH4 + 2O2 CO2 + 2H2O

  17. Combustion • Example: • With less oxygen needed… • 2C8H18 + 17O2 16CO + 18H2O

  18. Quiz Time!!! #1 • What type of reaction is this: AB A + B • Single Displacement • Combustion • Decomposition • Fusion

  19. WRONG!!! • Try Again!! Back --->

  20. Correct!!! Way To Go!! Continue

  21. Quiz #2… • Which reaction results in carbon dioxide and water? • Synthesis • Combustion • Double Displacement • Osmosis

  22. WRONG!!! • Try Again!! Back --->

  23. Correct!!! Way To Go!! Continue

  24. Quiz #3… • What type of reaction is this: Mg + 2HCl MgCl2 + H2 • Combustion • Diffusion • Single Displacement • ATP Reaction

  25. WRONG!!! • Try Again!! Back --->

  26. Correct!!! Way To Go!! Continue 

  27. Quiz #4… • Fill in the reaction for Double Displacement A_ + B_ A_ + B_ • AX + BY AY + BX • AX + BY AX + BY

  28. WRONG!!! • Try Again!! Back --->

  29. Correct!!! Way To Go!! Continue 

  30. Last One… • Which reaction is a Decomposition reaction? A) CH4 + 2O2 CO2 + 2H2O B) 2H2O O2 + 2H2O C) Mg + 2HCl MgCl2 + H2

  31. WRONG!!! • Try Again!! Back --->

  32. Correct!!! Way To Go!! Continue 

  33. Woo Hoo!! Congrats!! You’ve made it to the END!!!

  34. Works Cited • Malone, Leo J. Basic Concepts of Chemistry. John Wiley & Sons Inc.: New York, 1997.

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