Balancing Chemical Reactions

Front

Balance the equation: __Na + __Cl₂ → __NaCl

Back

2, 1, 2

Front

Balance the equation: NaClO₃ → NaCl + O₂

Back

2 NaClO₃ → 2 NaCl + 3 O₂

Front

Balance this reaction: ____ CH₄ + ____ O₂ → ____ CO₂ + ____ H₂O

Back

1, 2, 1, 2

Front

Balance this reaction: ____ NaF + ____ Br₂ → ____ NaBr + ____ F₂

Back

2, 1, 2, 1

Front

Balance this reaction: ____ BaS + ____ PtF₂ → ____ BaF₂ + ____ PtS

Back

1, 1, 1, 1

Front

What do the coefficients need to be in the following equation in order to be balanced?
_Mg + _Cl₂ → _MgCl₂

Back

Already balanced.

Front

Balance this equation:
Al₂O₃ → Al + O₂

Back

2Al₂O₃ → 4Al + 3O₂

Front

Balance this equation:
_Zn + _HCl → _ZnCl₂ + _H₂

Back

1, 2, 1, 1

Front

Balance this equation:
_N₂ + _H₂ → _NH₃

Back

1, 3, 2

Front

Balance this equation:
MgCl₂ --> Mg₄ + Cl₂

Back

4MgCl₂ --> Mg₄ + 4Cl₂