Balancing Chemical Reactions

Front

__Na + __Cl₂ --> __NaCl
Options: 1,1,2, 2,1,2, 2,1,1, already balanced

Back

2,1,2

Front

__NaClO₃ --> __NaCl + __O₂

Back

2,2,3

Front

Balancing 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