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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