Balancing Equations

Front

PCl₅ + ___ H₂O → ___ HCl + H₃PO₄

Back

4, 5

Front

Balance the chemical equation: __ Al + __ FeO → Al₂O₂ + __ Fe

Back

2, 2, 2

Front

 Mg  +  ___ HCl  →   MgCl₂  +   H₂

Back

2

Front

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

Back

2Na + 2H₂O --> 2NaOH + H₂

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

What is the little number after an element in a chemical equation called?
Example: H₂

Back

Subscript

Front

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

Back

No

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