Review Quiz for Chemical Reactions Chapter Test
Sodium oxide → sodium + oxygen
Sodium oxide decomposes to form sodium and oxygen
Na2O → Na + O2
2Na2O → 4Na + O2
Absorbed
Released
Destroyed
Conserved
Displacement
Synthesis
Decomposition
Endothermic
Catalyst
Product
Reactant
Coefficient
Subscripts
Superscripts
Coefficients
Fractions
A synthesis reaction
A decomposition reaction
A combustion reaction
A single replacement reaction
A double replacement reaction
"and"
"yields/produces"
Catalyst
Add heat
Synthesis
Decomposition
Single replacement
Double replacement
Combustion
Synthesis
Decomposition
Single-replacement
Double-replacement
Combustion
Synthesis
Decomposition
Single-replacement
Double-replacement
Combustion
2, 3, 1
4, 3, 2
It is already balanced
You wouldn't add a coefficient you would just change the subscripts
1, 4, 2, 2
2, 4, 2, 4
1, 2, 1, 1
It is already balanced
Release of a gas
Odor change
Precipitate formation
Mixing two reactants
Reactant
Precipitate
Compound
Product
The reactants are usually one metal and one nonmetal
One of the reactants is often water
The reactants are generally two ionic compounds
Energy is always produced
F must be above Na on the activity series
F must be above Cl on the activity series
Na must be above F on the activity series
Cl must be above F on the activity series
MgO2
MgO
Mg2O2
Mg and O2
Li
Mg
Cu
Ag
Ba
Usually smaller
Usually greater
Equal
Sometimes greater, sometimes smaller
Li + Cl
LiCl
Li + Cl2
None of the above
A synthesis reaction
Carbon dioxide and water
Oxygen
Hydrogen, carbon and oxygen
O
O2
CO2
H2O
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