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Types of reactions

Understand the fundamental types of chemical reactions including synthesis, decomposition, single and double displacement, and combustion, with examples breaking down reactants to yield products. Explore the processes involved in these reactions and their general formulas.

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Types of reactions

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  1. Types of reactions January 8, 2014

  2. Chemical Reaction the process by which one or more substances are changed into one or more different substances

  3. *Only Write if you don’t have this from previous notes*REACTANTSthe starting substances in a chemical reaction(the stuff on the left)

  4. *Only write if you don’t have this from previous notes*PRODUCTSthe final substances in a chemical reaction(the stuff on the right)

  5. General Formula for Reactions A + B  CReactants yields Products

  6. SYNTHESIS two or more substances combine to form one new substance A + B AB Na + Cl2 NaCl Pb2O4 Pb(IV) + O2

  7. when a substance breaks up into simpler substances DECOMPOSITION AB A + B NaCl Na + Cl2 Pb2O4 Pb+ O2

  8. SINGLE DISPLACEMENT one element displaces another in a compound AB + C AC + B or CB + A NaBr + Cl2 NaCl + Br2 (NH4)2O + S (NH4)2S + O2

  9. DOUBLE DISPLACEMENT the positive or negative portions of two compounds are switched AB + CD  AD + CB NaBr + Pb2S3 Na2S + PbBr3 K2SO4 + Ba(OH)2 KOH + BaSO4

  10. COMBUSTION hydrocarbon reacts with oxygen to form carbon dioxide and waterCH4 + O2  CO2 + H2OYou will always end up with CO2

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