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Types of Chemical Reactions

Types of Chemical Reactions. Combination/Synthesis Reaction. General Equation: R + S  RS Reactants: Generally two elements or two compounds. Probable Products: A single compound Example: 2Mg (s) + O 2(g)  2MgO (s ) Practice problems pg 214 #13-14. Decomposition. General Equation:

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Types of Chemical Reactions

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  1. Types of Chemical Reactions

  2. Combination/Synthesis Reaction • General Equation: R + S  RS • Reactants: Generally two elements or two compounds. • Probable Products: A single compound • Example: 2Mg(s) + O2(g) 2MgO(s) Practice problems pg 214 #13-14

  3. Decomposition • General Equation: RS  R + S • Reactants: Generally a single binary or ternary compound • Probable Products: Two or more elements • Example: 2H2O(l) 2H2(g) + O2(g) Practice problems pg 216 #15-16

  4. Combustion • General Equation: fuel + O2 CO2 +H2O • Reactants: A compound of C, H, (O) and oxygen • Probable Products: Carbon dioxide and water • Example: 2C3H8O(g) + 9O2(g) 6CO2(g) + 8H2O(l) Practice problems pg 221 #20-21

  5. Single Displacement • General Equation: R + TS  RS + T • Reactants: An element and a compound. For displacement to occur, the element that is displaced must be less active than the element that is doing the displacing. • Probable Products: A different element and a new compound • Example: Zn(s) + 2HCl(l) H2(g) + ZnCl2(l) Practice problems pg 218 #17

  6. Double Displacement • General Equation: RU + TS  RS + UT • Reactants: Two ionic compounds • Probable Products: Two new ionic compounds • Example: Na2CO3 + CuSO4 Na2SO4 + CuCO3 • Practice problems pg 220 #18-19

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