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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
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Types of chemical reactions

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Introduces the 5 types of chemical reactions: synthesis, decomposition, single and double replacement, and combustion.

Introduces the 5 types of chemical reactions: synthesis, decomposition, single and double replacement, and combustion.

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  • 1. Types of Chemical Reactions
  • 2. Five Types of Chemical Reactions • Synthesis • Decomposition • Single Replacement • Double Replacement • Combustion
  • 3. Synthesis• The word synthesis means to put things together to make a whole.• In a synthesis reaction, two or more substances combine to form a single new substance.• The general formula for a synthesis reaction is: A + B AB
  • 4. SynthesisSynthesis reactions are easy to recognize. There will be twoor more reactants, but only one product. Below are someexamples of synthesis reactions. 2H2+ O2 2H2O CO2 + H2O H2CO3 MgO + H2O Mg(OH)2 2Na + Cl2 2NaCl
  • 5. Decomposition• The word decomposition means to separate or breakdown into smaller pieces.• In a decomposition reaction, one substance breaks down into two or more products. It is really a synthesis reaction in reverse.• The general formula for a decomposition reaction is: AB A + B
  • 6. DecompositionIn order to identify decomposition reactions, look for chemicalequations which have only one reactant, but two or moreproducts. Below are some examples of synthesis reactions. 2NaHCO3 2CO2 + H2O + Na2O CuCO3 CO2 + CuO 2H2O2 O2 + 2H2O H2SO4 H2O + SO3
  • 7. Single Replacement• In a single replacement reaction, one element replaces another element in a compound.• The general formula for a single replacement reaction is: A + BC B + AC
  • 8. Single ReplacementSingle replacement reactions have an element and acompound on both the reactant and product side of theequation. Below are some examples of synthesis reactions. Fe + CuSO4 FeSO4 + Cu2NaBr + Cl2 2NaCl + Br2 Mg + H2O MgO + H2
  • 9. Double Replacement• In a double replacement reaction, a compound reacts with another compound to form two new compounds.• The general formula for a single replacement reaction is: AB + CD AD + BC
  • 10. Double ReplacementDouble replacement reactions have two compounds on boththe reactant and product side of the equation. Below are someexamples of synthesis reactions. HCl + NaOH NaCl + H2O KOH + H2SO4 K2SO4 + H2O AgNO3 + NaCl AgCl + NaNO3
  • 11. Combustion• Combustion, or burning, is a chemical reaction between an organic compound (usually a hydrocarbon) and oxygen gas.• The products in a combustion reaction are carbon dioxide and water.• Combustion reactions are exothermic, meaning that they produce heat.• The general formula for a combustion reaction is: CxHx + O2 CO2 + H2O
  • 12. CombustionCombustion reactions always have oxygen gas as a reactantand water and carbon dioxide as products. Below are someexamples of combustion reactions. CH4 + 2O2 CO2 + 2H2O 2C4H10 + 13O2 8CO2 + 10H2O CH3OH + O2 CO2 + 2H2O

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