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Questions and Answers
What type of reaction involves the combination of two or more reactants to form a single product?
What type of reaction involves the combination of two or more reactants to form a single product?
Double displacement reactions involve the exchange of partners between two compounds.
Double displacement reactions involve the exchange of partners between two compounds.
True
What is the general equation for a single displacement reaction?
What is the general equation for a single displacement reaction?
A + BC → AC + B
In a combustion reaction, a substance reacts with ______________, releasing heat and light.
In a combustion reaction, a substance reacts with ______________, releasing heat and light.
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Match the following types of reactions with their general equations:
Match the following types of reactions with their general equations:
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Provide an example of a combustion reaction.
Provide an example of a combustion reaction.
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Study Notes
Types of Chemical Reactions
Synthesis Reactions
- Also known as combination reactions
- Two or more reactants combine to form a single product
- General equation: A + B → AB
- Example: 2H2 + O2 → 2H2O
Decomposition Reactions
- A single reactant breaks down into two or more products
- General equation: AB → A + B
- Example: 2H2O → 2H2 + O2
Single Displacement Reactions
- One element displaces another element from a compound
- General equation: A + BC → AC + B
- Example: Zn + CuSO4 → ZnSO4 + Cu
Double Displacement Reactions
- Two compounds exchange partners, forming two new compounds
- General equation: AB + CD → AD + CB
- Example: NaCl + AgNO3 → NaNO3 + AgCl
Combustion Reactions
- A substance reacts with oxygen, releasing heat and light
- General equation: Fuel + O2 → Products
- Example: 2CH4 + 3O2 → 2CO2 + 3H2O
Neutralization Reactions
- An acid reacts with a base to form a salt and water
- General equation: Acid + Base → Salt + Water
- Example: HCl + NaOH → NaCl + H2O
Types of Chemical Reactions
Synthesis Reactions
- Combine two or more reactants to form a single product
- General equation: A + B → AB
- Example: 2H2 + O2 → 2H2O (formation of water)
Decomposition Reactions
- A single reactant breaks down into two or more products
- General equation: AB → A + B
- Example: 2H2O → 2H2 + O2 (breakdown of water)
Single Displacement Reactions
- One element displaces another element from a compound
- General equation: A + BC → AC + B
- Example: Zn + CuSO4 → ZnSO4 + Cu (zinc replaces copper)
Double Displacement Reactions
- Two compounds exchange partners, forming two new compounds
- General equation: AB + CD → AD + CB
- Example: NaCl + AgNO3 → NaNO3 + AgCl (exchange of partners between sodium chloride and silver nitrate)
Combustion Reactions
- A substance reacts with oxygen, releasing heat and light
- General equation: Fuel + O2 → Products
- Example: 2CH4 + 3O2 → 2CO2 + 3H2O (combustion of methane)
Neutralization Reactions
- An acid reacts with a base to form a salt and water
- General equation: Acid + Base → Salt + Water
- Example: HCl + NaOH → NaCl + H2O (neutralization of hydrochloric acid)
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Description
This quiz covers the different types of chemical reactions, including synthesis reactions, decomposition reactions, and single displacement reactions. Understand the general equations and examples of each type.
