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Chemical reactions (Types of reaction (Redox (Reducing agent: the reactant…
Chemical reactions
Types of reaction
synthesis
2H2+O2->2H2O
decomposition
HCl-> H2+Cl2
single replacement
Cu+ H2SO4--> CuSO4+H2O
double replacement
NaCl+ H2SO4-> Na2SO4+ HCl
combustion: reacting with O2
products are always CO2 and H2O
Redox
Reducing agent: the reactant that oxidizes
Oxidizing agent: the reactant that reduces
Every reaction is a redox reaction
Stoichiometry
Percent yield
excess reagent???
properties of reactions
Exothermic
Reaction releases a lot of energy
Endothermic
Reaction absorbs energy