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List the five types of chemical reactions.
List the five types of chemical reactions.
Combustion, Synthesis, Decomposition, Single Displacement, Double Displacement
Describe a combustion reaction.
Describe a combustion reaction.
A combustion reaction occurs when oxygen combines with another compound to form water and carbon dioxide. These reactions are exothermic, meaning they produce heat.
Describe a synthesis reaction.
Describe a synthesis reaction.
A synthesis reaction occurs when two or more simple compounds combine to form a more complicated one.
What is the general form of a synthesis reaction?
What is the general form of a synthesis reaction?
Describe a decomposition reaction.
Describe a decomposition reaction.
What is the general form of a decomposition reaction?
What is the general form of a decomposition reaction?
Describe a single displacement reaction.
Describe a single displacement reaction.
What is the general form of a single displacement reaction?
What is the general form of a single displacement reaction?
Describe a double displacement reaction.
Describe a double displacement reaction.
What is the general form of a double displacement reaction?
What is the general form of a double displacement reaction?
What kind of reaction is this: 2H2O --> 2H2 + O2?
What kind of reaction is this: 2H2O --> 2H2 + O2?
What kind of reaction is this: C10H8 + 12O2 --> 10CO2 + 4H2O?
What kind of reaction is this: C10H8 + 12O2 --> 10CO2 + 4H2O?
What kind of reaction is this: Mg + 2H2O --> Mg(OH)2 + H2?
What kind of reaction is this: Mg + 2H2O --> Mg(OH)2 + H2?
What kind of reaction is this: 8Fe + S8 --> 8FeS?
What kind of reaction is this: 8Fe + S8 --> 8FeS?
What kind of reaction is this: Pb(NO3)2 + 2KI --> PbI2 + 2KNO3?
What kind of reaction is this: Pb(NO3)2 + 2KI --> PbI2 + 2KNO3?
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Study Notes
Types of Chemical Reactions
- Five primary types of chemical reactions: Combustion, Synthesis, Decomposition, Single Displacement, Double Displacement.
Combustion Reaction
- Involves oxygen combining with another compound, resulting in water and carbon dioxide production.
- These reactions are exothermic and release heat.
Synthesis Reaction
- Occurs when two or more simple compounds form a more complex compound.
- General form: A + B --> AB.
Decomposition Reaction
- Involves the breakdown of a complex molecule into simpler ones.
- General form: AB --> A + B.
Single Displacement Reaction
- Involves one element switching places with another element in a compound.
- General form: A + BC --> AC + B.
Double Displacement Reaction
- Occurs when anions and cations of two different molecules exchange places, creating two new compounds.
- General form: AB + CD --> AD + CB.
Identifying Reaction Types
- Decomposition example: 2H2O --> 2H2 + O2.
- Combustion example: C10H8 + 12O2 --> 10CO2 + 4H2O.
- Single displacement example: Mg + 2H2O --> Mg(OH)2 + H2.
- Synthesis example: 8Fe + S8 --> 8FeS.
- Double displacement example: Pb(NO3)2 + 2KI --> PbI2 + 2KNO3.
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