A concentrated solution of ammonia is added to a suspension of zinc hydroxide
NH? + Zn(OH)? ? [Zn(NH?)?]�? + OH?
Hydrogen peroxide is added to an acidified solution of sodium bromide
H?O? + H? + Br? ? Br? + H?O
Dilute hydrochloric acid is added to a dilute solution of mercury (I) nitrate.
Cl? + Hg?�? ? Hg?Cl?
Sodium metal is added to water.
Na + H?O ? Na? + OH? + H?
Dilute sulfuric acid is added to a solution of lithium hydrogen carbonate
H? + HCO?? ? H?O + CO?
Ethanol and formic acid (methanoic acid) are mixed and warmed.
C?H?OH + HCOOH ? HCOOC?H? + H?O
Excess concentrated potassium hydroxide solution is added to a precipitate of zinc hydroxide
OH? + Zn(OH)? ? H?O + ZnO?�?
The gases born trifluoride and ammonia are mixed
BF? + NH? ? F?B:NH?
A solution of tin(II) chloride is added to a solution of iron(III) sulfate.
Sn�? + Fe�? ? Sn?? + Fe�?
Phosphorus(V) oxytrichloride isa dded to water
POCl? + H?O ? H?PO? + H? + Cl?
An acidified solution of potassium permanganate is added to a solution of sodium sulfite
H? + MnO?? + SO?�? ? Mn�? + SO?�? +H?O
A piece of lithium metal is dropped into a container of nitrogen gas
Li + N? ? Li?N
Dilute hydrochloric acid is added to a solution of potassium sulfite
H? + SO?�? ? HSO??
Solid sodium oxide is added to water
Na?O + H?O ? Na? + OH?
A solution of sodium sulfide is added to a solution of zinc nitrate
S�? + Zn�? ? ZnS
A solution of ammonia is added to a dilute solution of acetic acid
NH? + CH?COOH ? NH?? + CH?COO?
A piece of iron is added to a solution of iron(III) sulfate
Fe + Fe�? ? Fe�?
Ethene (ethylene) gas is bubbled through a solution of bromine
C?H? + Br? ? C?H?Br?
Chlorine gas is bubbled into a solution of potassium iodide
Cl? + I? ? Cl? + I?
Solid calcium is added to warm water
Ca + H?O ? Ca�? + OH? + H?
Powdered magnesium oxide is added to a container of carbon dioxide gas
MgO + CO? ? MgCO?
Gaseous hydrogen sulfide is bubbled through a solution of nickel(II) nitrate
H?S + Ni�? ? NiS + H?
Excess concentrated sodium hydroxide solution is added to solid aluminum hydroxide
OH? + Al(OH)? ? H? + AlO??
Solid silver is added to a dilute nitric acid (6M) solution
Ag + H? + NO?? ? Ag? + NO + H?O
Excess potassium hydroxide solution is added to a solution of potassium dihydrogen phosphate
OH? + H?PO?? ? PO?�? + H?O
Hydrogen peroxide solution is added to a solution of iron(II) sulfate
H?O? + Fe�? ? H?O + Fe�?
Propanol is burned completely in air
C?H?OH + O? ? CO? + H?O
A solution of potassium iodide is added to an acidified solution of potassium dichromate
I? + Cr?O?�? ? I? + Cr�? + H?O
A solution of sodium hydroxide is added to a solution of ammonium chloride.
OH? + NH?? ? H?O + NH?
A strip of magnesium is added to a solution of silver nitrate
Mg + Ag? ? Mg�? + Ag
Solid potassium chlorate is heated in the presence of manganese dioxide as a catalyst
KClO? ? KCl + O?
Dilute hydrochloric acid is added to a solution of potassium carbonate.
H? + CO?�? ? CO? + H?O
Sulfur trioxide gas is added to excess water
SO? + H?O ? H? + HSO??
Dilute sulfuric acid is added to a solution of potassium carbonate
SO?�? + Ba�? ? BaSO?
A concentrated solution of ammonia is added to a solution of copper(II) chloride.
Ca�? + NH? ? Cu(NH?)?�?
Solutions of zinc sulfate and sodium phosphate are mixed
Zn�? + PO?�? ? Zn?(PO?)?
Solutions of silver ntirate and lithium bromide are mixed
Ag? + Br? ? AgBr
A stream of chlorine gas is passed through a solution of cold, dilute sodium hydroxide.
Cl? + OH? ? OCl? + Cl? + H?O
Excess hydrochloric acid solution is added to a solution of potassium sulfite
H? + SO?�? ? H?O + SO?
A solution of tin(II) chloride is added to an acidified solution of potassium permanganate
Sn�? + H? + MnO?? ? Sn?? + Mn�? + H?O
A solution of ammonium thiocyanate is added to a solution of iron(II) chloride
Fe�? + SCN? ? Fe(SCN)�?
Samples of boron trichloride gas and ammonia gas are mixed
BCl? + NH? ? Cl?B:NH?
Carbon disulfide vapor is burned in excess oxygen
CS? + O? ? CO? + SO?
Solutions of sodium iodide and lead nitrate are mixed
I? +Pb�? ? PbI?
A solution of potassium hydroxide is added to a solution of ferric chloride
OH? + Fe�? ? Fe(OH)?
A solution of hydrogen peroxide is heated
H?O? ? H?O + O?
Solutions of silver nitrate and sodium chromate are mixed
Ag? + CrO?? ? AgCrO?
Hydrogen sulfide gas is bubbled through a solution of potassium hydroxide
H?S +OH? ? H?O + SO?
Solid dinitrogen pentoxide is added to water
N?O? + H?O ? H? + NO?
A piece of solid bismuth is heated strongly in oxygen
Bi + O? ? Bi?O?
A strip of copper metal is added to a concentrated solution of sulfuric acid
Cu + H? + SO?�? ? Cu�? + H?O + SO?
Solid aluminum oxide is added to a concentrated solution of sulfuric acid
Al?O? + H? + SO?�? ? [Al(OH)?]?
Solid calcium oxide is heated in the presence of sulfur trioxide gas
CaO + SO? ? CaSO?
Equal volumes of 0.1 molar sulfuric acid and 0.1 molar potassium hydroxide are mixed
H? + OH? ? H?O
Calcium metal is heated strongly in nitrogen gas
Ca + N? ? Ca?N?
Solid copper(II) sulfide is heated strongly in oxygen gas
CuS + O? ? Cu + SO?
A concentrated solution of hydrochloric acid is added to powdered manganese dioxide and gently heated
H? + Cl? + MnO? ? Mn�? + H?O + Cl?
A concentrated solution of ammonia is added to a solution of zinc iodide
Zn�? + NH? ? [Zn(NH?)?]�?
A solution of copper(II) sulfate is added to a solution of barium hydroxide
Cu�? +SO?� + Ba�? +OH? ? Cu(OH)? + BaSO?
An excess of sodium hydroxide solution is added to a solution of magnesium nitrate
OH? + Mg�? ? Mg(OH)?
Solid lithium hydride is added to water
LiH + H?O ? Li? + OH? + H?
Solutions of ammonia and hydrofluoric acid are mixed
NH? + HF ? NH?? + H?
A piece of aluminum metal is added to a solution of silver nitrate.
Al + Ag? ? Al�? + Ag
A solution of potassium iodide is electrolyzed
I? + H?O ? OH? + H? + I?