Today in class, we corrected our homework on balancing equations and then took some notes of the 6 types of chemical reactions: Sythesis, Decomposition, Single Replacement, Double Replacement, Neutralization, and Combustion.
1) Synthesis
A+B ----> C (Two or more substances combine)
EX: H2 + Cl2 ----> 2HCl
2) Decomposition
AB---->A+B (Breaking down into simpler substances)
EX: 2Ag2O---->4Ag + O2
3) Single Replacemnet
A + BX---->B + AX (Compunds must have a metal and a nonmetal-replacing one atom in a compound by anohter atom)
EX: Cl2 + 2KI ----> I2 + SKCl
4) Double Replacement
AB + XY ----> AY + XB (exchange of atoms between two different compounds)
EX: 2NaCl+ H2SO4 ----> 2 HCl + Na2SO4
5) Neutralization
(Products are water and an ionic salt/ Always between acids and bases)
EX: HCl + NaOH----> NaCL + H2O
6) Combustion
There are two types: Metallic (Can also be known as a synthesis reaction/includes oxygen) and hydro-carbon (includes carbon and oxygen). Also, the productes are always CO2 and H2O
EX: C5H12 + 8 O2 ----> 5CO2 + 6 H2O
Here's a video on five of the six chemical reactions we learned about in class:
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