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Equations 1
Equations 2
Equations 3
Equations 4
Equations 5
100
A solution of copper (II) sulfate is spilled on to a sheet of freshly polished aluminum metal.

3Cu+2 + 2Al  → 3Cu + 2Al+3

100
A solution of sodium phosphate is added to a solution of aluminum nitrate.

PO4-3 + Al+3  → AlPO4

100
Magnesium pellets are placed in 1.0 M hydrochloric acid.

Mg + 2H+1  → Mg+2 + H2

100
Solutions of silver nitrate and sodium chloride are combined.

Ag+1 + Cl-1  → AgCl

100
A strip of zinc is placed in a solution of nickel (II) nitrate.

Zn + Ni+2  → Zn+2 + Ni

200
Solid sodium acetate is added to 1.0 M hydrobromic acid.

NaC2H3O2 + H+1  → CH3COOH + Na+1

200
Cadmium metal is placed into a solution of tin (II) chloride.

Cd + Sn+2  → Cd+2 + Sn

200
Powdered barium oxide is mixed with water.

BaO + H2O  → Ba+2 + 2OH-1

or

BaO + H2O  → Ba(OH)2

200
A strip of lead metal is added to a solution of silver nitrate.

Pb + 2Ag+1  → 2Ag + Pb+2

200
Lithium metal is strongly heated in nitrogen gas.

6Li + N2  → 2Li3N

300
Excess concentrated potassium hydroxide solution is added to a solution of nickel (II) chloride.

4OH-1 + Ni+2  → [Ni(OH)4]-2

300
A 0.1 M nitrous acid solution is added to the same volume of a 0.1 M sodium hydroxide solution.

HNO2 + OH-1  → H2O+ NO2-1

300
Concentrated hydrochloric acid is added to a solution of sodium sulfide.

2H+1 + S-2  → H2S

300
Solid potassium carbonate is added to 1.0 M sulfuric acid.

K2CO3 + H+1 + HSO4-1  → 2K+1 + SO4-2 + CO2 + H2O

300
Powdered iron metal is strongly heated with powdered sulfur.

Fe + S  → FeS

or

2Fe + 3S  → Fe2S3

400
Propanone is burned in air.

C3H6O + 4O2  → 3CO2 + 3H2O

400
Hydrogen iodide gas is bubbled into a solution of lithium carbonate.

2HI + CO3-2  → H2O+ CO2 +2I-1

400
Excess concentrated aqueous ammonia is added to a solution of nickel (II) bromide.

4NH3 + Ni+2  → [Ni(NH3)4]+2

400
Solid iron (II) sulfite is heated strongly.

FeSO3  → FeO + SO2

400
Excess saturated sodium fluoride solution is added to a solution of aluminum sulfate.

6F-1 + Al+3  → [AlF6]-3

500
Ammonia gas is mixed with hydrogen chloride gas.

NH3+ HCl  → NH4Cl

500
Dimethyl ether is burned in air.

CH3OCH3 + 3O2  → 2CO2+ 3H2O

500
An acidic solution of potassium dichromate is added to a solution of iron (II) nitrate.

14H+1 + Cr2O7-2 + 6Fe+2  → 2Cr+3 + 7H2O + 6Fe+3

500
Sulfur is burned in air.

S8 + 8O2  → 8SO2

or

S + O2  → SO2

500
Ethyne is burned in air.

2C2H2 + 5O2  → 4CO2 + 2H2O