5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement...
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Transcript of 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement...
![Page 1: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/1.jpg)
![Page 2: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/2.jpg)
5 categories of chem. rxn.
1. Synthesis
2. Decomposition
3. Single replacement
4. Double replacement
5. Combustion
![Page 3: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/3.jpg)
1. Synthesis
Two or more substances put together
A + B ABGeneral
![Page 4: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/4.jpg)
Specific Example
2Na + Cl2 2NaCl
![Page 5: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/5.jpg)
2. Decomposition
Compound breaks down into 2 (or more) substances
AB A + BGeneral
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Specific Example
H2O2 H2O + O22 2
• Hydrogen peroxide decomposes into water & oxygen gas
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3. Single-replacement
One element replaces another in a compound
AB + C CB + AGeneral
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MgCl2 + 2 Li 2LiCl + Mg
• Li takes place of Mg
3CuSO4+2Al Al2(SO4)3+ 3Cu
• Al takes the place of Cu
Specific Example
![Page 9: 5 categories of chem. rxn. 1. Synthesis 2. Decomposition 3. Single replacement 4. Double replacement 5. Combustion.](https://reader036.fdocuments.in/reader036/viewer/2022082712/56649f355503460f94c53c7f/html5/thumbnails/9.jpg)
4. Double replacement
The positive portions ( + ions) are exchanged
General
AX + BY AY + BX
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Specific Example
AgNO3+NaBr AgBr +NaNO3
• Ag+ & Na+ exchange places
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5. CombustionSubstance combines w/ oxygen rapidly - forms one or more oxides
Substance A + O2
Substance oxide + energy
• releases energy
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Specific Example
2 C2H2 + 5 O2 4 CO2 + 2 H2O + energy
• Acteylene combines w/ oxygen & produces carbon dioxide & water & releases energy
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