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Home > Bob Jones PPT Notes -- Chapter 8d

Bob Jones PPT Notes -- Chapter 8d

Subject: 
Chemistry [1]
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Chemistry [2]
Chemical reactions [3]
Salt metathesis reaction [4]
Single displacement reaction [5]
Hydrogen chloride [6]
Precipitation [7]
Chemical equation [8]
Chemical decomposition [9]
Chlorine [10]

Types of Reactions Types of Reactions There are four types of reactions. Synthesis Decomposition Single replacement Double replacement Occurs when two substances unite Synthesis A + B AB Synthesis 2 Mg + O2 2 MgO magnesium(element) oxygen(element) magnesium oxide(compound) 4 Occurs when a substance splits into parts Decomposition AB A + B Decomposition hydrogen(element) oxygen(element) water(compound) 2 H2O 2 H2 + O2 6 Occurs when a more active substance replaces one part of a compound that is less active Single Replacement Y X + X Y Z Z + Single Replacement hydrogen(element) potassiumhydroxide(compound) water(compound) potassium(element) 2 K + 2 H2O H2 + 2 KOH 8 These reactions are also called displacement or substitution reactions. Single Replacement

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