Balancing Equations Check

Front

Coefficient

Back

The large number to the left of a formula.

Front

Which side of a chemical equation is the product side?

Back

Right (after the arrow)

Front

Which side of a chemical equation is the reactant side?

Back

Left (before the arrow)

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

Law of Conservation of Mass

Back

Matter cannot be gained or lost in a chemical reaction.

Front

Is this balanced?...
Fe + S --> FeS

Back

YES!

Front

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

Back

2, 2, 1

Front

Balance this equation:
__P₄ + __O₂ --> __P₂O₃

Back

1, 3, 2