Types of Chemical Reactions
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Transcript of Types of Chemical Reactions
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Types of Chemical Reactions
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What combines with what?
A B
X Y
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Types of Chemical Reactions
• A synthesis is a type of chemical reaction in which two or more substances combine and form one compound.
• You can recognize a synthesis reaction because two or more reactants form only one product.
Synthesis
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Types of Chemical Reactions
• A synthesis is a type of chemical reaction in which two or more substances combine and form one compound.
• You can recognize a synthesis reaction because two or more reactants form only one product.
Synthesis
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Types of Chemical Reactions
• In a decomposition reaction, one compound breaks down and forms two or more substances.
• You can recognize a decomposition reaction because one reactant forms two or more products.
• Decomposition is the reverse of synthesis.
Decomposition
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Types of Chemical Reactions
• In a decomposition reaction, one compound breaks down and forms two or more substances.
• You can recognize a decomposition reaction because one reactant forms two or more products.
• Decomposition is the reverse of synthesis.
Decomposition
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Types of Chemical Reactions
• In a replacement reaction, an atom or a group of atoms replaces part of a compound.
• Two types of replacement reactions can occur: • Single-replacement • Double-replacement
Replacement
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Types of Chemical Reactions
• In a single-replacement reaction, one element replaces another element in a compound. In this type of reaction, an element and a compound react and form a different element and a different compound.
Single-Replacement
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Types of Chemical Reactions
• In a single-replacement reaction, one element replaces another element in a compound. In this type of reaction, an element and a compound react and form a different element and a different compound.
Single-Replacement
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Types of Chemical Reactions
• In a double-replacement reaction, the negative ions in two compounds switch places, forming two new compounds. In this type of reaction, two compounds react and form two new compounds.
Double-Replacement
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Types of Chemical Reactions
• In a double-replacement reaction, the negative ions in two compounds switch places, forming two new compounds. In this type of reaction, two compounds react and form two new compounds.
Double-Replacement
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Types of Chemical Reactions
Combustion• Combustion is a chemical reaction in which a substance
combines with oxygen and releases energy. • A combustion reaction usually releases energy as
thermal energy and light energy. • Burning is a common combustion reaction.• These reactions always produce carbon dioxide and
water.
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Types of Chemical Reactions
• Combustion is a chemical reaction in which a substance combines with oxygen and releases energy.
• A combustion reaction usually releases energy as thermal energy and light energy.
• Burning is a common combustion reaction.• These reactions always produce carbon dioxide and
water.
Combustion
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What Type of Chemical Reaction?
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What Type of Chemical Reaction?
1. In a ___________________ reaction, the negative ions in two compounds switch places, forming two new compounds.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
2. In a ___________________ reaction, one compound breaks down and forms two or more substances.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
3. In a ___________________ reaction, a substance combines with oxygen and releases energy.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
4. In a ___________________ reaction, one element replaces another element in a compound.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
5. In a ___________________ reaction, two or more elements or compounds combine and form one compound.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
6. Energy can be released as light or thermal energy in a ___________________ reaction.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
8. 2 C4H10 + 13 O2 ------> 8CO2 + H2O is an example of a ___________________ reaction.
single-replacement
double-replacementdecomposition
combustion
synthesis
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What Type of Chemical Reaction?
9. HCl + FeS -----> FeCl2 + H2S is an example of a ___________________ reaction.
single-replacement
double-replacementdecomposition
combustion
synthesis