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Equations 1
Equations 2
Equations 3
Equations 4
Equations 5
100
Solutions of strontium nitrate and sodium sulfate are mixed.
Sr+2 + SO4-2 →SrSO4

100
Solutions of sodium chromate and lead nitrate are mixed.
CrO4-2 + Pb+2 →PbCrO4

100
A solution of 1.0 M potassium phosphate is mixed with a solution of 1.0 M calcium acetate.

2PO4-3 + 3Ca+2 → Ca3(PO4)2

100
Magnesium ribbon is burned in oxygen.

2Mg + O2 → 2MgO

100
A solution of lead (II) nitrate is added to a solution of potassium sulfate.

Pb+2 + SO4-2 → PbSO4

200
Powdered strontium oxide is added to distilled water.

SrO + H2O → Sr(OH)2

or

SrO + H2O →Sr+2 + 2OH-1

200
Chlorine gas is bubbled through a solution of potassium bromide.

Cl2 + 2Br-1 → 2Cl-1 + Br2

200
Liquid bromine is carefully added to a solution of potassium iodide.

Br2 + 2I-1 → 2Br-1 + I2

200
Solid zinc carbonate is added to 1.0 M sulfuric acid.

ZnCO3 + H+1 + HSO4-1 → Zn+2 + CO2 + H2O + SO4-2

200
A bar of strontium metal is immersed in a 1.0 M copper (II) nitrate solution.

Sr + Cu+2 → Sr+2 + Cu

300
An excess of hydrochloric acid is added to solid zinc sulfide.

2H+1 + S-2 → H2S

300
A sample of 1-propanol is burned in air.

2C3H7OH + 9O2 → 6CO2 + 8H2O

300
Sulfur trioxide gas is bubbled into a beaker of water.

SO3 + H2O → H+1 + HSO4-1

300
Hydrogen chloride gas is bubbled through a solution of potassium cyanide.

HCl + CN-1 → HCN + Cl-1

300
Solid dinitrogen pentoxide is added to water.

N2O5 + H2O  → 2H+1 + 2NO3-1

400
A bar of iron metal is added to a solution of iron (III) chloride.

Fe + 2Fe+3 → 3Fe+2

400
Concentrated ammonia solution is added to copper (II) sulfate solution.

4NH3 + Cu+2 → [Cu(NH3)4]+2

400
Equal volumes of 0.1 M sodium phosphate and 0.1 M hydrochloric acid are mixed.

PO4-3 + H+1 → HPO4-2

400
A 0.02 M hydrochloric acid solution is mixed with an equal volume of 0.01 M calcium hydroxide solution.

H+1 + OH-1 → H2O

400
Solid sodium hydride is added to water.

NaH + H2O  → Na+1 + OH-1 + H2

500
Acidified solutions of potassium permanganate and iron (II) nitrate are mixed together.
MnO4-1 + 5Fe+2 + 8H+1 →Mn+2 + 5Fe+3 + 4H2O

500
A solution of potassium hydroxide is added to solid ammonium chloride.

OH-1 + NH4Cl → NH3 + H2O + Cl-1

500
A solution of hydrogen peroxide is exposed to strong sunlight.

2H2O2  → O2 + 2H2O

500
Excess concentrated aqueous ammonia is added to solid silver chloride.

2NH3 + AgCl  → [Ag(NH3]2]+1 + Cl-1

500
Hot hydrogen gas is passed over heated copper (II) oxide solid.

H2 + CuO  → H2O + Cu