True or False
Atoms are destroyed in a chemical reaction.
False
2H2 + O2 -> 2H2O
Synthesis
Give the product with its correct coefficient
Hg + O2 ->
2HgO
This is the most common state of Hg at room temperature.
Liquid
Write the balanced equations for the following. Be sure to include state symbols.
Powdered Magnesium nitride is heated strongly.
Mg3N2 (s) -> 3Mg (s) + N2 (g)
The name of the left and right sides of the arrow/yield sign. Be specific!
Reactants on left and products on right
2CH4 + 3O2 -> 2CO + 4H2O
Incomplete combustion
Give the products with their correct coefficients.
K2O ->
4K + O2
This is how it is possible to get drops of NaCl without having a liquid sodium chloride
Have a solution/aqueous of NaCl
Write the balanced equations for the following. Be sure to include state symbols.
Flakes of potassium have fluorine gas blown over them.
2K(s) + F2 (g) -> 2KF (s)
The name of the number that goes in front of the compound.
Coefficient
NaCl + AgNO3 -> AgCl + NaNO3
Double Replacement
Give the products with their correct coefficients.
C3H8 burned completely
3CO2 and 4H2O
This is the most likely state of an ionic compound at room temp when water is not present
Solid
Write the balanced equations for the following. Be sure to include state symbols.
The complete burning of liquid C8H16O
2C8H16O (l) + 23O2 (g) -> 16 CO2 (g) + 16 H2O (g)
The law that says we have to balance equations.
Law of Conservation of mass
H2SO4 -> H2O + SO3
Decomposition
Give the insoluble product with its correct coefficients.
MnSO4 + AgNO3 ->
Ag2SO4
Which of the following is soluble
Pb(OH)2
SrSO4
K2CrO4
ZnS
K2CrO4
Write the balanced equations for the following. Be sure to include state symbols.
A piece of aluminum foil is added to a solution of iron (II) chloride.
2Al (s) + 3 FeCl2(aq) -> 2 AlCl3 (aq) + 3 Fe (s)
Where you would write either the triangle symbol for heat or the name of a catalyst
Above the arrow/yield sign
3Br2 + 2AlI3 -> 2AlBr3 + 3I2
Single Replacement
Give the products with their correct coefficients.
Fe + NaBr ->
No Reaction
List all of the following that could be a precipitate.
PbBr2
Cs3PO4
Ba(OH)2
BaSO3
(NH4)2CO3
PbBr2 and BaSO3
Write the balanced equations for the following. Be sure to include state symbols.
Solutions of ammonium phosphate and aluminum sulfate are mixed.
2(NH4)3PO4 (aq) + Al2(SO4)3 (aq) ->2AlPO4 (s) + 3(NH4)2SO4 (aq)