Balancing Equations

Front

Coefficients to balance: Ag₂O → Ag + O₂

Back

2,4,1

Front

Balance this equation: __SnO₂ + __H₂ --> __Sn + __H₂O

Back

1,2,1,2

Front

Balance this equation: CF₄ + Br₂ --> CBr₄ + F₂

Back

1,2,1,2

Front

Balance this equation: __Al +__HCl -->__H₂ +__AlCl₃

Back

2, 6, 3, 2

Front

Balance this equation: __CH₄ + __O₂ --> __CO₂ + __H₂O

Back

1,2,1,2

Front

Which problem is balanced? Options: PbO₂ + 2H₂, SO₂ + H₂0 --> H₂SO₄, 2Na + 2H₂O --> 2NaOH + H₂

Back

2Na + 2H₂O --> 2NaOH + H₂

Front

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

Back

No

Front

Balance this equation: Zn + HCl → ZnCl₂ + H₂

Back

1,2,1,1

Front

Balance this equation: __Mg + __Cl₂ --> __MgCl₂

Back

already balanced

Front

KNO₃ --> KNO₂ + O₂
What coefficients are needed to balance the reaction?

Back

2, 2, 1