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100

Zn + O2 -> ZnO

2Zn + O2 -> 2ZnO

100

H2 + I2 -> HI

H2 + I2 -> 2HI

100

Na + Cl2 -> NaCl

2Na + Cl2 -> 2NaCl

100

Na + O2 -> Na2O

4Na + O2 -> 2Na2O

100

Zn + O2 -> ZnO

Name the reactant(s)

Zinc and oxygen

200

Na + I2 -> NaI

2Na + I2 2NaI

200

H2 + O2 -> H2O

2H2 + O2 -> 2H2O

200

Mg + O2 -> MgO

2Mg + O2 -> 2MgO

200

NH3 <-> N2 + H2

Write this reaction as a word equation

Ammonia <-> Nitrogen + Hydrogen

200

H2 + I2 -> HI

Name the product(s)

Hydrogen iodide

300

NH3 <-> N2 + H2

2NH3 <-> N2 + 3H2

300

CH4 + O2 -> CO2 + H2O

CH4 + 2O2 -> CO2 + 2H2O

300

CH4 + O2 -> CO2 + H2O

Rewrite this reaction as a word equation

Methane + Oxygen -> Carbon dioxide and Water

300

Li + H2O -> LiOH + H2

2Li + 2H2O -> 2LiOH + H2

300

Na + O2 -> Na2O

Rewrite the reaction as a word equation

Sodium + Oxygen -> Sodium oxide

400

P4 + Br2 -> PBr3

P4 + 6Br2 -> 4PBr3

400

Al + Cl2 -> AlCl3

2Al + 3Cl2 -> 2AlCl3

400

Na + H2O -> NaOH + H2

2Na + 2H2O -> 2NaOH + H2

400

H2SO4 + NaOH -> Na2SO4 + H2O

H2SO4 + 2NaOH -> Na2SO4 + 2H2O

400

Li + H2O -> LiOH + H2

Name the product(s)

Lithium hydroxide and Water

500

Fe2O3 + C -> Fe + CO2

2Fe2O3 + 3C -> 4Fe + 3CO2

500

NO2 + H2O -> HNO3 + NO

3NO2 + H2O -> 2HNO3 + NO

500

AgNO3 + Cu -> Cu(NO3)2 + Ag

2AgNO3 + Cu -> Cu(NO3)2 + 2Ag

500

ZnS + O2 -> ZnO + SO2

2ZnS + 3O2 -> 2ZnO + 2SO2

500

H2SO4 + NaOH -> Na2SO4 + H2O

Rewrite the reaction as a word equation

Sulfuric acid + Sodium hydroxide -> Sodium sulfate + water